{"id":13322,"date":"2024-08-06T14:07:34","date_gmt":"2024-08-06T14:07:34","guid":{"rendered":"https:\/\/onmytoolings.com\/?page_id=13322"},"modified":"2026-07-06T07:33:53","modified_gmt":"2026-07-06T07:33:53","slug":"4-flute-end-mill","status":"publish","type":"page","link":"https:\/\/onmytoolings.com\/it\/carbide-end-mill-supplier\/4-flute-end-mill\/","title":{"rendered":"Fresa a 4 eliche"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"13322\" class=\"elementor elementor-13322\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aff0b5d e-con-full e-flex e-con e-parent\" data-id=\"aff0b5d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9068be9 elementor-widget elementor-widget-html\" data-id=\"9068be9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\r\n\r\n\r\n<style>\r\n  .onmy-four-page,\r\n  .onmy-four-page * {\r\n    box-sizing: border-box;\r\n  }\r\n\r\n  .onmy-four-page {\r\n    --onmy-primary: #2067CB;\r\n    --onmy-primary-dark: #123A73;\r\n    --onmy-primary-deep: #0B1F3A;\r\n    --onmy-primary-light: #EEF5FF;\r\n    --onmy-primary-soft: rgba(32, 103, 203, 0.08);\r\n    --onmy-dark: #1E293B;\r\n    --onmy-black: #0B1F3A;\r\n    --onmy-text: #334155;\r\n    --onmy-muted: #64748B;\r\n    --onmy-light: #F6F9FE;\r\n    --onmy-white: #FFFFFF;\r\n    --onmy-border: #D8E6F8;\r\n    --onmy-accent: #F59E0B;\r\n    --onmy-green: #0F8A5F;\r\n    --onmy-cyan: #0EA5E9;\r\n\r\n    width: 100%;\r\n    overflow-x: hidden;\r\n    font-family: Arial, Helvetica, sans-serif;\r\n    color: var(--onmy-text);\r\n    line-height: 1.65;\r\n    background: var(--onmy-white);\r\n  }\r\n\r\n  .onmy-four-page a {\r\n    color: var(--onmy-primary);\r\n    text-decoration: none;\r\n  }\r\n\r\n  .onmy-four-page a:hover {\r\n    text-decoration: underline;\r\n  }\r\n\r\n  .onmy-four-page img {\r\n    max-width: 100%;\r\n    display: block;\r\n  }\r\n\r\n  .onmy-four-container {\r\n    width: 92%;\r\n    max-width: 1220px;\r\n    margin: 0 auto;\r\n  }\r\n\r\n  .onmy-four-section {\r\n    padding: 76px 0;\r\n  }\r\n\r\n  .onmy-four-section-light {\r\n    background: var(--onmy-light);\r\n  }\r\n\r\n  .onmy-four-eyebrow {\r\n    color: var(--onmy-primary);\r\n    font-size: 13px;\r\n    font-weight: 700;\r\n    letter-spacing: 0.08em;\r\n    text-transform: uppercase;\r\n    margin-bottom: 10px;\r\n  }\r\n\r\n  .onmy-four-hero .onmy-four-eyebrow {\r\n    color: #7DB2FF;\r\n  }\r\n\r\n  .onmy-four-section-title {\r\n    max-width: 900px;\r\n    margin: 0 auto 46px;\r\n    text-align: center;\r\n  }\r\n\r\n  .onmy-four-section-title h2 {\r\n    color: var(--onmy-dark);\r\n    font-size: 36px;\r\n    line-height: 1.25;\r\n    margin: 0 0 14px;\r\n  }\r\n\r\n  .onmy-four-section-title p {\r\n    font-size: 17px;\r\n    margin: 0;\r\n  }\r\n\r\n  .onmy-four-btn {\r\n    display: inline-block;\r\n    padding: 13px 24px;\r\n    border-radius: 6px;\r\n    font-weight: 700;\r\n    text-align: center;\r\n    transition: 0.2s ease;\r\n    border: none;\r\n    cursor: pointer;\r\n    font-size: 16px;\r\n    line-height: 1.3;\r\n  }\r\n\r\n  .onmy-four-page a.onmy-four-btn,\r\n  .onmy-four-page a.onmy-four-btn:visited,\r\n  .onmy-four-page a.onmy-four-btn:hover,\r\n  .onmy-four-page a.onmy-four-btn:active,\r\n  .onmy-four-page a.onmy-four-btn:focus {\r\n    text-decoration: none !important;\r\n    font-weight: 700 !important;\r\n  }\r\n\r\n  .onmy-four-page a.onmy-four-btn-primary,\r\n  .onmy-four-page a.onmy-four-btn-primary:visited {\r\n    background: var(--onmy-primary) !important;\r\n    color: #FFFFFF !important;\r\n    border: 1px solid var(--onmy-primary) !important;\r\n  }\r\n\r\n  .onmy-four-page a.onmy-four-btn-primary:hover,\r\n  .onmy-four-page a.onmy-four-btn-primary:active,\r\n  .onmy-four-page a.onmy-four-btn-primary:focus {\r\n    background: var(--onmy-primary-dark) !important;\r\n    color: #FFFFFF !important;\r\n    border-color: var(--onmy-primary-dark) !important;\r\n  }\r\n\r\n  .onmy-four-page .onmy-four-hero a.onmy-four-btn-primary,\r\n  .onmy-four-page .onmy-four-hero a.onmy-four-btn-primary:visited {\r\n    background: #FFFFFF !important;\r\n    color: var(--onmy-primary) !important;\r\n    border: 1px solid #FFFFFF !important;\r\n  }\r\n\r\n  .onmy-four-page .onmy-four-hero a.onmy-four-btn-primary:hover,\r\n  .onmy-four-page .onmy-four-hero a.onmy-four-btn-primary:active,\r\n  .onmy-four-page .onmy-four-hero a.onmy-four-btn-primary:focus {\r\n    background: var(--onmy-primary-light) !important;\r\n    color: var(--onmy-primary-dark) !important;\r\n    border-color: var(--onmy-primary-light) !important;\r\n  }\r\n\r\n  .onmy-four-page a.onmy-four-btn-outline,\r\n  .onmy-four-page a.onmy-four-btn-outline:visited {\r\n    background: transparent !important;\r\n    color: #FFFFFF !important;\r\n    border: 1px solid #FFFFFF !important;\r\n    margin-left: 12px;\r\n  }\r\n\r\n  .onmy-four-page a.onmy-four-btn-outline:hover,\r\n  .onmy-four-page a.onmy-four-btn-outline:active,\r\n  .onmy-four-page a.onmy-four-btn-outline:focus {\r\n    background: #FFFFFF !important;\r\n    color: var(--onmy-primary) !important;\r\n    border-color: #FFFFFF !important;\r\n  }\r\n\r\n  .onmy-four-page a.onmy-four-btn-light,\r\n  .onmy-four-page a.onmy-four-btn-light:visited {\r\n    background: #FFFFFF !important;\r\n    color: var(--onmy-primary) !important;\r\n    border: 1px solid #FFFFFF !important;\r\n  }\r\n\r\n  .onmy-four-page a.onmy-four-btn-light:hover,\r\n  .onmy-four-page a.onmy-four-btn-light:active,\r\n  .onmy-four-page a.onmy-four-btn-light:focus {\r\n    background: var(--onmy-primary-light) !important;\r\n    color: var(--onmy-primary-dark) !important;\r\n    border-color: var(--onmy-primary-light) !important;\r\n  }\r\n\r\n  .onmy-four-breadcrumb {\r\n    background: #F0F5FC;\r\n    padding: 12px 0;\r\n    font-size: 14px;\r\n    color: var(--onmy-muted);\r\n  }\r\n\r\n  .onmy-four-breadcrumb a {\r\n    color: var(--onmy-dark);\r\n  }\r\n\r\n  .onmy-four-hero {\r\n    background:\r\n      linear-gradient(120deg, rgba(11, 31, 58, 0.96), rgba(32, 103, 203, 0.86)),\r\n      url(\"\/wp-content\/uploads\/4-flute-end-mills-hero.jpg\") center\/cover no-repeat;\r\n    color: var(--onmy-white);\r\n    padding: 96px 0;\r\n  }\r\n\r\n  .onmy-four-hero-grid {\r\n    display: grid;\r\n    grid-template-columns: 1.15fr 0.85fr;\r\n    gap: 48px;\r\n    align-items: center;\r\n  }\r\n\r\n  .onmy-four-hero h1 {\r\n    font-size: 52px;\r\n    line-height: 1.12;\r\n    color: var(--onmy-white);\r\n    margin: 0 0 22px;\r\n  }\r\n\r\n  .onmy-four-hero p {\r\n    font-size: 18px;\r\n    max-width: 760px;\r\n    margin: 0 0 26px;\r\n    color: var(--onmy-white);\r\n  }\r\n\r\n  .onmy-four-hero-tags {\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 12px;\r\n    margin: 28px 0 34px;\r\n  }\r\n\r\n  .onmy-four-hero-tag {\r\n    background: rgba(255, 255, 255, 0.13);\r\n    border: 1px solid rgba(255, 255, 255, 0.24);\r\n    padding: 9px 14px;\r\n    border-radius: 24px;\r\n    font-size: 14px;\r\n    color: #FFFFFF;\r\n  }\r\n\r\n  .onmy-four-hero-card {\r\n    background: var(--onmy-white);\r\n    color: var(--onmy-text);\r\n    border-radius: 18px;\r\n    padding: 32px;\r\n    box-shadow: 0 18px 50px rgba(11, 31, 58, 0.24);\r\n  }\r\n\r\n  .onmy-four-hero-card h3 {\r\n    margin: 0 0 18px;\r\n    color: var(--onmy-dark);\r\n    font-size: 24px;\r\n  }\r\n\r\n  .onmy-four-check-list {\r\n    list-style: none;\r\n    padding: 0;\r\n    margin: 0;\r\n  }\r\n\r\n  .onmy-four-check-list li {\r\n    display: flex;\r\n    gap: 10px;\r\n    align-items: flex-start;\r\n    padding: 10px 0;\r\n    border-bottom: 1px solid var(--onmy-border);\r\n    color: var(--onmy-text);\r\n  }\r\n\r\n  .onmy-four-check-list li:last-child {\r\n    border-bottom: none;\r\n  }\r\n\r\n  .onmy-four-check {\r\n    color: var(--onmy-primary);\r\n    font-weight: 700;\r\n    flex: 0 0 auto;\r\n  }\r\n\r\n  .onmy-four-grid-2 {\r\n    display: grid;\r\n    grid-template-columns: repeat(2, 1fr);\r\n    gap: 44px;\r\n    align-items: center;\r\n  }\r\n\r\n  .onmy-four-grid-3 {\r\n    display: grid;\r\n    grid-template-columns: repeat(3, 1fr);\r\n    gap: 24px;\r\n  }\r\n\r\n  .onmy-four-grid-4 {\r\n    display: grid;\r\n    grid-template-columns: repeat(4, 1fr);\r\n    gap: 22px;\r\n  }\r\n\r\n  .onmy-four-content h2 {\r\n    font-size: 34px;\r\n    line-height: 1.25;\r\n    color: var(--onmy-dark);\r\n    margin: 0 0 18px;\r\n  }\r\n\r\n  .onmy-four-content h3 {\r\n    color: var(--onmy-dark);\r\n  }\r\n\r\n  .onmy-four-content p {\r\n    margin: 0 0 16px;\r\n  }\r\n\r\n  .onmy-four-content ul {\r\n    padding-left: 20px;\r\n    margin-top: 12px;\r\n  }\r\n\r\n  .onmy-four-content li {\r\n    margin-bottom: 8px;\r\n  }\r\n\r\n  .onmy-four-image-box {\r\n    min-height: 340px;\r\n    border-radius: 18px;\r\n    border: 1px solid var(--onmy-border);\r\n    background: var(--onmy-white);\r\n    color: var(--onmy-muted);\r\n    font-weight: 700;\r\n    text-align: center;\r\n    padding: 0;\r\n    display: flex;\r\n    justify-content: center;\r\n    align-items: stretch;\r\n    overflow: hidden;\r\n  }\r\n\r\n  .onmy-four-image-box img {\r\n    width: 100%;\r\n    height: 100%;\r\n    min-height: 340px;\r\n    object-fit: cover;\r\n    object-position: center;\r\n    display: block;\r\n    border-radius: inherit;\r\n  }\r\n\r\n  .onmy-four-card {\r\n    background: var(--onmy-white);\r\n    border: 1px solid var(--onmy-border);\r\n    border-radius: 16px;\r\n    padding: 26px;\r\n    box-shadow: 0 8px 22px rgba(11, 31, 58, 0.06);\r\n    height: 100%;\r\n    transition: 0.2s ease;\r\n  }\r\n\r\n  .onmy-four-card:hover {\r\n    transform: translateY(-4px);\r\n    box-shadow: 0 14px 30px rgba(11, 31, 58, 0.12);\r\n  }\r\n\r\n  .onmy-four-card h3 {\r\n    color: var(--onmy-dark);\r\n    font-size: 21px;\r\n    margin: 0 0 10px;\r\n  }\r\n\r\n  .onmy-four-card p {\r\n    margin: 0 0 16px;\r\n  }\r\n\r\n  .onmy-four-tag {\r\n    display: inline-block;\r\n    background: var(--onmy-primary-soft);\r\n    color: var(--onmy-primary);\r\n    padding: 4px 10px;\r\n    border-radius: 20px;\r\n    font-size: 13px;\r\n    font-weight: 700;\r\n    margin-bottom: 12px;\r\n  }\r\n\r\n  .onmy-four-card-primary { border-top: 4px solid var(--onmy-primary); }\r\n  .onmy-four-card-green { border-top: 4px solid var(--onmy-green); }\r\n  .onmy-four-card-blue { border-top: 4px solid var(--onmy-cyan); }\r\n  .onmy-four-card-yellow { border-top: 4px solid var(--onmy-accent); }\r\n\r\n  .onmy-four-quick-nav {\r\n    background: var(--onmy-white);\r\n    border-bottom: 1px solid var(--onmy-border);\r\n    position: sticky;\r\n    top: 0;\r\n    z-index: 20;\r\n  }\r\n\r\n  .onmy-four-quick-nav-inner {\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 10px;\r\n    padding: 12px 0;\r\n    align-items: center;\r\n  }\r\n\r\n  .onmy-four-quick-nav a {\r\n    padding: 7px 12px;\r\n    background: var(--onmy-primary-light);\r\n    border-radius: 20px;\r\n    font-size: 14px;\r\n    color: var(--onmy-dark);\r\n  }\r\n\r\n  .onmy-four-quick-nav a:hover {\r\n    background: var(--onmy-primary);\r\n    color: var(--onmy-white);\r\n    text-decoration: none;\r\n  }\r\n\r\n  .onmy-four-table-wrap {\r\n    overflow-x: auto;\r\n    background: var(--onmy-white);\r\n    border-radius: 16px;\r\n    border: 1px solid var(--onmy-border);\r\n    box-shadow: 0 8px 24px rgba(11, 31, 58, 0.06);\r\n  }\r\n\r\n  .onmy-four-table {\r\n    width: 100%;\r\n    border-collapse: collapse;\r\n    min-width: 820px;\r\n  }\r\n\r\n  .onmy-four-table th,\r\n  .onmy-four-table td {\r\n    text-align: left;\r\n    padding: 15px 16px;\r\n    border-bottom: 1px solid var(--onmy-border);\r\n    vertical-align: top;\r\n  }\r\n\r\n  .onmy-four-table th {\r\n    background: var(--onmy-primary-dark);\r\n    color: var(--onmy-white);\r\n    font-size: 14px;\r\n  }\r\n\r\n  .onmy-four-table tr:last-child td {\r\n    border-bottom: none;\r\n  }\r\n\r\n  .onmy-four-note {\r\n    font-size: 14px;\r\n    color: var(--onmy-muted);\r\n    margin-top: 12px;\r\n  }\r\n\r\n  .onmy-four-cta-band {\r\n    background: linear-gradient(120deg, var(--onmy-primary), var(--onmy-primary-dark));\r\n    color: var(--onmy-white);\r\n    padding: 58px 0;\r\n  }\r\n\r\n  .onmy-four-cta-grid {\r\n    display: grid;\r\n    grid-template-columns: 1.2fr 0.8fr;\r\n    gap: 36px;\r\n    align-items: center;\r\n  }\r\n\r\n  .onmy-four-cta-band h2 {\r\n    color: var(--onmy-white);\r\n    font-size: 34px;\r\n    line-height: 1.25;\r\n    margin: 0 0 12px;\r\n  }\r\n\r\n  .onmy-four-cta-band p {\r\n    margin: 0;\r\n    font-size: 17px;\r\n    color: var(--onmy-white);\r\n  }\r\n\r\n  .onmy-four-cta-actions {\r\n    text-align: right;\r\n  }\r\n\r\n  .onmy-four-quote-section {\r\n    background: var(--onmy-black);\r\n    color: var(--onmy-white);\r\n  }\r\n\r\n  .onmy-four-quote-section h2,\r\n  .onmy-four-quote-section h3 {\r\n    color: var(--onmy-white);\r\n  }\r\n\r\n  .onmy-four-quote-section p,\r\n  .onmy-four-quote-section li {\r\n    color: var(--onmy-white);\r\n  }\r\n\r\n  .onmy-four-quote-box {\r\n    background: var(--onmy-white);\r\n    color: var(--onmy-text);\r\n    border-radius: 18px;\r\n    padding: 32px;\r\n  }\r\n\r\n  .onmy-four-quote-box h3 {\r\n    color: var(--onmy-dark);\r\n    margin: 0 0 18px;\r\n    font-size: 26px;\r\n  }\r\n\r\n  .onmy-four-existing-form .wpforms-container {\r\n    margin: 0 !important;\r\n  }\r\n\r\n  .onmy-four-existing-form .wpforms-field {\r\n    padding: 0 0 14px !important;\r\n  }\r\n\r\n  .onmy-four-existing-form input,\r\n  .onmy-four-existing-form select,\r\n  .onmy-four-existing-form textarea,\r\n  .onmy-four-existing-form .wpforms-field input,\r\n  .onmy-four-existing-form .wpforms-field select,\r\n  .onmy-four-existing-form .wpforms-field textarea {\r\n    width: 100% !important;\r\n    max-width: 100% !important;\r\n    padding: 13px !important;\r\n    border: 1px solid var(--onmy-border) !important;\r\n    border-radius: 6px !important;\r\n    font-family: inherit !important;\r\n    font-size: 15px !important;\r\n    color: var(--onmy-text) !important;\r\n    background: #FFFFFF !important;\r\n  }\r\n\r\n  .onmy-four-existing-form textarea,\r\n  .onmy-four-existing-form .wpforms-field textarea {\r\n    min-height: 130px !important;\r\n    resize: vertical;\r\n  }\r\n\r\n  .onmy-four-existing-form button,\r\n  .onmy-four-existing-form input[type=\"submit\"],\r\n  .onmy-four-existing-form .wpforms-submit {\r\n    width: 100% !important;\r\n    background: var(--onmy-primary) !important;\r\n    color: #FFFFFF !important;\r\n    border: 1px solid var(--onmy-primary) !important;\r\n    border-radius: 6px !important;\r\n    padding: 13px 24px !important;\r\n    font-weight: 700 !important;\r\n    cursor: pointer !important;\r\n    font-size: 16px !important;\r\n    line-height: 1.3 !important;\r\n  }\r\n\r\n  .onmy-four-existing-form button:hover,\r\n  .onmy-four-existing-form input[type=\"submit\"]:hover,\r\n  .onmy-four-existing-form .wpforms-submit:hover {\r\n    background: var(--onmy-primary-dark) !important;\r\n    color: #FFFFFF !important;\r\n    border-color: var(--onmy-primary-dark) !important;\r\n  }\r\n\r\n  .onmy-four-faq {\r\n    max-width: 960px;\r\n    margin: 0 auto;\r\n  }\r\n\r\n  .onmy-four-faq-item {\r\n    background: var(--onmy-white);\r\n    border: 1px solid var(--onmy-border);\r\n    border-radius: 12px;\r\n    padding: 22px 24px;\r\n    margin-bottom: 14px;\r\n  }\r\n\r\n  .onmy-four-faq-item h3 {\r\n    color: var(--onmy-dark);\r\n    margin: 0 0 8px;\r\n    font-size: 20px;\r\n  }\r\n\r\n  .onmy-four-faq-item p {\r\n    margin: 0;\r\n  }\r\n\r\n  @media (max-width: 980px) {\r\n    .onmy-four-hero-grid,\r\n    .onmy-four-grid-2,\r\n    .onmy-four-grid-3,\r\n    .onmy-four-grid-4,\r\n    .onmy-four-cta-grid {\r\n      grid-template-columns: 1fr;\r\n    }\r\n\r\n    .onmy-four-hero {\r\n      padding: 72px 0;\r\n    }\r\n\r\n    .onmy-four-hero h1 {\r\n      font-size: 38px;\r\n    }\r\n\r\n    .onmy-four-section-title h2,\r\n    .onmy-four-content h2,\r\n    .onmy-four-cta-band h2 {\r\n      font-size: 30px;\r\n    }\r\n\r\n    .onmy-four-page a.onmy-four-btn-outline {\r\n      margin-left: 0;\r\n      margin-top: 12px;\r\n    }\r\n\r\n    .onmy-four-cta-actions {\r\n      text-align: left;\r\n    }\r\n\r\n    .onmy-four-quick-nav {\r\n      position: static;\r\n    }\r\n  }\r\n\r\n  @media (max-width: 640px) {\r\n    .onmy-four-section {\r\n      padding: 56px 0;\r\n    }\r\n\r\n    .onmy-four-hero h1 {\r\n      font-size: 34px;\r\n    }\r\n\r\n    .onmy-four-hero p {\r\n      font-size: 16px;\r\n    }\r\n\r\n    .onmy-four-btn {\r\n      width: 100%;\r\n      margin-bottom: 10px;\r\n    }\r\n\r\n    .onmy-four-page a.onmy-four-btn-outline {\r\n      margin-left: 0;\r\n      margin-top: 0;\r\n    }\r\n\r\n    .onmy-four-hero-tags {\r\n      gap: 8px;\r\n    }\r\n\r\n    .onmy-four-hero-tag {\r\n      font-size: 13px;\r\n      padding: 7px 11px;\r\n    }\r\n  }\r\n<\/style>\r\n\r\n<div class=\"onmy-four-page\">\r\n\r\n  <div class=\"onmy-four-breadcrumb\">\r\n    <div class=\"onmy-four-container\">\r\n      <a href=\"\/\" target=\"_blank\">Home<\/a> \/ <a href=\"\/carbide-end-mill-supplier\/\" target=\"_blank\">Carbide End Mills<\/a> \/ 4 Flute End Mills\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <header class=\"onmy-four-hero\">\r\n    <div class=\"onmy-four-container onmy-four-hero-grid\">\r\n      <div>\r\n        <div class=\"onmy-four-eyebrow\">Solid Carbide 4 Flute End Mills<\/div>\r\n        <h1>4 Flute End Mills Manufacturer &amp; Supplier<\/h1>\r\n        <p>\r\n          ONMY supplies solid carbide 4 flute end mills, four flute end mills and 4 flute carbide milling cutters\r\n          for steel machining, stainless steel milling, side milling, slot milling, finishing and precision CNC metalworking applications.\r\n        <\/p>\r\n        <p>\r\n          Choose from catalogue-supported 4 flute square end mills, long edge square end mills,\r\n          extra-long edge end mills, 4 flute corner radius end mills, long shank bull nose end mills\r\n          and custom 4 flute carbide end mills for steel, stainless steel, hardened steel, cast iron and selected aluminum finishing.\r\n        <\/p>\r\n\r\n        <div class=\"onmy-four-hero-tags\">\r\n          <span class=\"onmy-four-hero-tag\">4 Flute End Mills<\/span>\r\n          <span class=\"onmy-four-hero-tag\">Four Flute End Mill<\/span>\r\n          <span class=\"onmy-four-hero-tag\">4 Flute Endmill<\/span>\r\n          <span class=\"onmy-four-hero-tag\">4 Flute Square End Mills<\/span>\r\n          <span class=\"onmy-four-hero-tag\">4 Flute Corner Radius<\/span>\r\n          <span class=\"onmy-four-hero-tag\">HMQ-4E \/ 4EL \/ 4EX<\/span>\r\n          <span class=\"onmy-four-hero-tag\">Steel &amp; Finishing<\/span>\r\n          <span class=\"onmy-four-hero-tag\">Custom Sizes Available<\/span>\r\n        <\/div>\r\n\r\n        <a href=\"#quote\" class=\"onmy-four-btn onmy-four-btn-primary\">Request a Quote<\/a>\r\n        <a href=\"#series\" class=\"onmy-four-btn onmy-four-btn-outline\">View Product Series<\/a>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-hero-card\">\r\n        <h3>Get a 4 Flute End Mill Recommendation<\/h3>\r\n        <ul class=\"onmy-four-check-list\">\r\n          <li><span class=\"onmy-four-check\">\u2713<\/span> 4 flute square, long edge and corner radius options<\/li>\r\n          <li><span class=\"onmy-four-check\">\u2713<\/span> Better rigidity and surface finish than lower flute count tools<\/li>\r\n          <li><span class=\"onmy-four-check\">\u2713<\/span> Suitable for steel, stainless steel, hardened steel and finishing<\/li>\r\n          <li><span class=\"onmy-four-check\">\u2713<\/span> Catalogue-supported HMQ-4E, HMQ-4EL, HMQ-4EX, HMQ-4EH, HMQ-4EG and HMQ-4R directions<\/li>\r\n          <li><span class=\"onmy-four-check\">\u2713<\/span> Custom diameter, flute length, radius, coating and packaging available<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/header>\r\n\r\n  <nav class=\"onmy-four-quick-nav\">\r\n    <div class=\"onmy-four-container onmy-four-quick-nav-inner\">\r\n      <a href=\"#overview\">Overview<\/a>\r\n      <a href=\"#types\">Types<\/a>\r\n      <a href=\"#keyword-guide\">Keyword Guide<\/a>\r\n      <a href=\"#series\">Catalogue Series<\/a>\r\n      <a href=\"#applications\">Applications<\/a>\r\n      <a href=\"#materials\">Materials<\/a>\r\n      <a href=\"#specs\">Specifications<\/a>\r\n      <a href=\"#selection\">Selection<\/a>\r\n      <a href=\"#comparison\">Comparison<\/a>\r\n      <a href=\"#custom\">Custom<\/a>\r\n      <a href=\"#quote\">Quote<\/a>\r\n      <a href=\"#faq\">FAQ<\/a>\r\n    <\/div>\r\n  <\/nav>\r\n\r\n  <section class=\"onmy-four-section\" id=\"overview\">\r\n    <div class=\"onmy-four-container onmy-four-grid-2\">\r\n      <div class=\"onmy-four-content\">\r\n        <div class=\"onmy-four-eyebrow\">Product Overview<\/div>\r\n        <h2>Solid Carbide 4 Flute End Mills for Rigidity and Surface Finish<\/h2>\r\n        <p>\r\n          A 4 flute end mill is a carbide milling cutter with four cutting flutes.\r\n          Compared with 2 flute and 3 flute end mills, a 4 flute end mill usually provides\r\n          more cutting edges, higher core strength, better rigidity and improved surface finish.\r\n        <\/p>\r\n        <p>\r\n          4 flute carbide end mills are commonly selected for steel, stainless steel, hardened steel,\r\n          cast iron, side milling, finishing, profiling and applications where tool stability is important.\r\n          For aluminum machining, 4 flute tools are usually better for finishing or light side milling,\r\n          while 2 flute or 3 flute tools are normally preferred for heavy slotting and chip evacuation.\r\n        <\/p>\r\n        <ul>\r\n          <li>Steel, stainless steel, hardened steel and cast iron milling<\/li>\r\n          <li>Side milling, <a class=\"wpil_keyword_link\" href=\"https:\/\/onmytoolings.com\/milling-inserts\/shoulder-milling\/\"   title=\"Shoulder Milling\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1797\" target=\"_blank\">shoulder milling<\/a>, finishing and profiling<\/li>\r\n          <li>4 flute square end mills for flat-bottom and side milling<\/li>\r\n          <li>4 flute corner radius end mills for stronger cutting corners<\/li>\r\n          <li>Long edge, extra-long edge, long shank and custom 4 flute options<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-image-box\">\r\n        <img decoding=\"async\" src=\"https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/07\/4-flute-end-mill.webp\" alt=\"4 flute end mill for steel side milling finishing and CNC machining\">\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"onmy-four-section onmy-four-section-light\" id=\"types\">\r\n    <div class=\"onmy-four-container\">\r\n      <div class=\"onmy-four-section-title\">\r\n        <div class=\"onmy-four-eyebrow\">4 Flute End Mill Types<\/div>\r\n        <h2>Choose 4 Flute End Mills by Tool Shape and Length<\/h2>\r\n        <p>\r\n          4 flute tools can be selected by end shape, cutting length, shank reach,\r\n          corner radius, coating and workpiece material.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-grid-3\">\r\n        <div class=\"onmy-four-card onmy-four-card-blue\">\r\n          <span class=\"onmy-four-tag\">Flat Bottom<\/span>\r\n          <h3>4 Flute Square End Mills<\/h3>\r\n          <p>\r\n            4 flute square end mills are used for side milling, flat-bottom pockets,\r\n            finishing, shallow slotting and general steel machining.\r\n          <\/p>\r\n          <a href=\"\/carbide-end-mill-supplier\/square-end-mill\/\" target=\"_blank\">View Square End Mills \u2192<\/a>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-card onmy-four-card-yellow\">\r\n          <span class=\"onmy-four-tag\">Longer Cutting Edge<\/span>\r\n          <h3>4 Flute Long Edge End Mills<\/h3>\r\n          <p>\r\n            Long edge and extra-long edge 4 flute end mills provide extended flute length\r\n            for deeper side milling, profiles and long wall machining.\r\n          <\/p>\r\n          <a href=\"\/carbide-end-mill-supplier\/long-reach-end-mills\/\" target=\"_blank\">View Long Reach End Mills \u2192<\/a>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-card onmy-four-card-primary\">\r\n          <span class=\"onmy-four-tag\">Stronger Corner<\/span>\r\n          <h3>4 Flute Corner Radius End Mills<\/h3>\r\n          <p>\r\n            4 flute corner radius end mills, also called 4 flute bull nose end mills,\r\n            use a rounded cutting corner for stronger edge performance.\r\n          <\/p>\r\n          <a href=\"\/carbide-end-mill-supplier\/bull-nose-end-mill\/\" target=\"_blank\">View Bull Nose End Mills \u2192<\/a>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-card onmy-four-card-yellow\">\r\n          <span class=\"onmy-four-tag\">Extended Reach<\/span>\r\n          <h3>4 Flute Long Shank End Mills<\/h3>\r\n          <p>\r\n            Long shank and extra-long shank 4 flute end mills are used when the machining area\r\n            requires additional reach or clearance.\r\n          <\/p>\r\n          <a href=\"\/carbide-end-mill-supplier\/long-reach-end-mills\/\" target=\"_blank\">View Long Reach Options \u2192<\/a>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-card onmy-four-card-green\">\r\n          <span class=\"onmy-four-tag\">Roughing Review<\/span>\r\n          <h3>4 Flute Roughing End Mill Solutions<\/h3>\r\n          <p>\r\n            If you need a 4 flute roughing end mill, ONMY can review serrated roughing geometry,\r\n            corner radius, coating or custom roughing tool design according to material and cutting depth.\r\n          <\/p>\r\n          <a href=\"\/carbide-end-mill-supplier\/roughing-end-mill\/\" target=\"_blank\">View Roughing End Mills \u2192<\/a>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-card onmy-four-card-primary\">\r\n          <span class=\"onmy-four-tag\">Made to Order<\/span>\r\n          <h3>Custom 4 Flute End Mills<\/h3>\r\n          <p>\r\n            Custom 4 flute carbide end mills can be made according to drawing, material,\r\n            tool diameter, flute length, radius, coating, shank and application.\r\n          <\/p>\r\n          <a href=\"\/carbide-end-mill-supplier\/custom-end-mills\/\" target=\"_blank\">View Custom End Mills \u2192<\/a>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"onmy-four-section\" id=\"keyword-guide\">\r\n    <div class=\"onmy-four-container\">\r\n      <div class=\"onmy-four-section-title\">\r\n        <div class=\"onmy-four-eyebrow\">Keyword-Based Selection Guide<\/div>\r\n        <h2>4 Flute End Mill Search Intent Covered on This Page<\/h2>\r\n        <p>\r\n          Buyers use different wording when looking for 4 flute carbide end mills.\r\n          This section maps common search terms to the correct tool direction.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-table-wrap\">\r\n        <table class=\"onmy-four-table\">\r\n          <thead>\r\n            <tr>\r\n              <th>Search Term \/ Buyer Intent<\/th>\r\n              <th>Recommended Tool Direction<\/th>\r\n              <th>How to Use It<\/th>\r\n            <\/tr>\r\n          <\/thead>\r\n          <tbody>\r\n            <tr>\r\n              <td>4 flute end mill \/ 4 flute end mills \/ four flute end mill<\/td>\r\n              <td>Solid carbide 4 flute square or corner radius end mill<\/td>\r\n              <td>Use for steel, stainless steel, side milling, profiling and finishing.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>4 flute endmill \/ end mill 4 flutes \/ 4 flutes machining<\/td>\r\n              <td>General 4 flute carbide end mill<\/td>\r\n              <td>Confirm tool shape, material, diameter, flute length and coating before ordering.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>4 flute center cutting end mill<\/td>\r\n              <td>Center cutting 4 flute square end mill<\/td>\r\n              <td>Use when ramping, plunging or pocket entry is required. Confirm center-cutting geometry.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>4 flute roughing end mill<\/td>\r\n              <td>Custom or application-reviewed roughing geometry<\/td>\r\n              <td>Send material, depth of cut and MRR requirement so the proper roughing structure can be reviewed.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>4 flute end mill for aluminum<\/td>\r\n              <td>4 flute finishing or light side milling tool<\/td>\r\n              <td>Use carefully for aluminum finishing. For deep slotting or heavy chip removal, review 2 flute or 3 flute first.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>4 flutes bronze\/copper coated end mills<\/td>\r\n              <td>Coated or polished flute tool for copper \/ bronze review<\/td>\r\n              <td>Confirm copper or bronze grade, chip control, coating preference and surface finish requirement.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>2 flute vs 4 flute \/ 3 flute vs 4 flute<\/td>\r\n              <td>Flute count comparison<\/td>\r\n              <td>Use 2 flute for chip space, 3 flute for balanced aluminum cutting, and 4 flute for rigidity and finish.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>4 flute end mill feeds and speeds<\/td>\r\n              <td>Application-based parameter review<\/td>\r\n              <td>Provide tool diameter, material, hardness, machine, coolant and cutting depth for recommended parameters.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>endmill 4 flutes supplier in China \/ factory in China<\/td>\r\n              <td>B2B 4 flute <a class=\"wpil_keyword_link\" href=\"https:\/\/onmytoolings.com\/top-20-carbide-end-mill-manufacturers-worldwide\/\"   title=\"Top 20 Carbide End Mill Manufacturers Worldwide\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1798\" target=\"_blank\">end mill manufacturer<\/a> and supplier<\/td>\r\n              <td>Request standard catalogue items, custom tools, OEM marking or distributor packaging.<\/td>\r\n            <\/tr>\r\n          <\/tbody>\r\n        <\/table>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"onmy-four-section onmy-four-section-light\" id=\"series\">\r\n    <div class=\"onmy-four-container\">\r\n      <div class=\"onmy-four-section-title\">\r\n        <div class=\"onmy-four-eyebrow\">Catalogue-Supported Product Series<\/div>\r\n        <h2>Catalogue Logic for 4 Flute Carbide End Mills<\/h2>\r\n        <p>\r\n          The following structures are organized from ONMY's solid carbide end mill catalogue logic.\r\n          They help buyers understand which 4 flute tool type should be requested for different machining needs.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-table-wrap\">\r\n        <table class=\"onmy-four-table\">\r\n          <thead>\r\n            <tr>\r\n              <th>Catalogue Series Example<\/th>\r\n              <th>Product Type<\/th>\r\n              <th>Typical Application<\/th>\r\n              <th>Inquiry Notes<\/th>\r\n            <\/tr>\r\n          <\/thead>\r\n          <tbody>\r\n            <tr>\r\n              <td>HMQ-4E<\/td>\r\n              <td>4 Flute Square End Mill<\/td>\r\n              <td>Side milling, shallow slotting, flat-bottom milling, finishing and general steel machining.<\/td>\r\n              <td>Send diameter, flute length, overall length, coating and quantity.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>HMQ-4EL<\/td>\r\n              <td>4 Flute Long Edge Square End Mill<\/td>\r\n              <td>Longer cutting edge for deeper side milling and extended profile cutting.<\/td>\r\n              <td>Useful when cutting depth is greater than standard flute length.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>HMQ-4EX<\/td>\r\n              <td>4 Flute Extra Long Edge Square End Mill<\/td>\r\n              <td>Deep side wall machining and applications requiring extra-long flute length.<\/td>\r\n              <td>Check tool deflection and machine rigidity before heavy cutting.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>HMQ-4EH<\/td>\r\n              <td>4 Flute Long Shank Square End Mill<\/td>\r\n              <td>Extended reach applications where access is limited by part structure.<\/td>\r\n              <td>Send reach length, cutting depth and holder condition.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>HMQ-4EG<\/td>\r\n              <td>4 Flute Extra Long Shank Square End Mill<\/td>\r\n              <td>Extra reach for deep cavities, molds and hard-to-access part areas.<\/td>\r\n              <td>Provide drawing, overhang, material hardness and surface finish requirement.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>HMQ-4R<\/td>\r\n              <td>4 Flute Corner Radius \/ Bull Nose End Mill<\/td>\r\n              <td>Stronger cutting corner for side milling, semi-finishing and harder materials.<\/td>\r\n              <td>Send corner radius, diameter, material and cutting depth.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>HMQ-4RH<\/td>\r\n              <td>4 Flute Long Shank Corner Radius End Mill<\/td>\r\n              <td>Extended reach with stronger radius edge for molds and side wall machining.<\/td>\r\n              <td>Provide radius, reach length, rigidity condition and coating requirement.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>HMQ-4RG<\/td>\r\n              <td>4 Flute Extra Long Shank Corner Radius End Mill<\/td>\r\n              <td>Deep cavity and difficult-to-access machining areas where corner strength is needed.<\/td>\r\n              <td>Review overhang and vibration risk before aggressive cutting.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>Custom 4 Flute Tool<\/td>\r\n              <td>Custom 4 Flute Carbide End Mill<\/td>\r\n              <td>Non-standard size, coating, corner radius, roughing geometry or OEM tooling requirement.<\/td>\r\n              <td>Attach drawing, sample, required tolerance, quantity and packaging requirements.<\/td>\r\n            <\/tr>\r\n          <\/tbody>\r\n        <\/table>\r\n      <\/div>\r\n\r\n      <p class=\"onmy-four-note\">\r\n        The listed series examples are used to guide product selection. Final availability, coating,\r\n        diameter range and dimensions should be confirmed according to your RFQ or catalogue version.\r\n      <\/p>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"onmy-four-section\" id=\"applications\">\r\n    <div class=\"onmy-four-container\">\r\n      <div class=\"onmy-four-section-title\">\r\n        <div class=\"onmy-four-eyebrow\">Machining Applications<\/div>\r\n        <h2>What Are 4 Flute End Mills Used For?<\/h2>\r\n        <p>\r\n          4 flute end mills are mainly used when the machining operation needs rigidity,\r\n          dimensional accuracy, surface finish and stable cutting in harder or more abrasive materials.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-grid-3\">\r\n        <div class=\"onmy-four-card\"><h3>Side Milling<\/h3><p>4 flute end mills provide rigidity for side walls, shoulders and profile milling in steel and general materials.<\/p><\/div>\r\n        <div class=\"onmy-four-card\"><h3>Finishing<\/h3><p>More cutting edges can help improve surface finish and reduce visible tool marks in finishing passes.<\/p><\/div>\r\n        <div class=\"onmy-four-card\"><h3>Slot Milling Cutter Review<\/h3><p>4 flute tools can be used for selected slot milling, but chip evacuation and slot depth should be checked carefully.<\/p><\/div>\r\n        <div class=\"onmy-four-card\"><h3>Steel Machining<\/h3><p>4 flute carbide end mills are commonly selected for carbon steel, alloy steel and general metalworking applications.<\/p><\/div>\r\n        <div class=\"onmy-four-card\"><h3>Stainless Steel Milling<\/h3><p>With suitable geometry and coating, 4 flute end mills can support stainless steel side milling and finishing.<\/p><\/div>\r\n        <div class=\"onmy-four-card\"><h3>Light Roughing \/ Semi-Finishing<\/h3><p>For 4 flute roughing requirements, geometry and coating should be reviewed according to material and cutting load.<\/p><\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"onmy-four-section onmy-four-section-light\" id=\"materials\">\r\n    <div class=\"onmy-four-container\">\r\n      <div class=\"onmy-four-section-title\">\r\n        <div class=\"onmy-four-eyebrow\">Choose by Material<\/div>\r\n        <h2>4 Flute End Mills for Different Workpiece Materials<\/h2>\r\n        <p>\r\n          The best 4 flute end mill depends on workpiece material, material hardness,\r\n          cutting depth, chip evacuation, coating and machine rigidity.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-table-wrap\">\r\n        <table class=\"onmy-four-table\">\r\n          <thead>\r\n            <tr>\r\n              <th>Workpiece Material<\/th>\r\n              <th>Recommended 4 Flute End Mill Direction<\/th>\r\n              <th>Typical Design \/ Coating Direction<\/th>\r\n              <th>Related Page<\/th>\r\n            <\/tr>\r\n          <\/thead>\r\n          <tbody>\r\n            <tr>\r\n              <td>Carbon Steel \/ Alloy Steel<\/td>\r\n              <td>4 flute square end mill or corner radius end mill<\/td>\r\n              <td>Rigid core, wear-resistant coating and stable cutting geometry<\/td>\r\n              <td><a href=\"\/carbide-end-mill-supplier\/\" target=\"_blank\">Carbide End Mills<\/a><\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>Stainless Steel<\/td>\r\n              <td>4 flute end mill with strong edge and heat-resistant coating<\/td>\r\n              <td>Heat resistance, edge strength and controlled cutting parameters are important<\/td>\r\n              <td><a href=\"\/applications\/end-mills-for-stainless-steel\/\" target=\"_blank\">End Mills for Stainless Steel<\/a><\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>Hardened Steel \/ Mold Steel<\/td>\r\n              <td>4 flute corner radius or hard-milling geometry<\/td>\r\n              <td>Wear-resistant carbide grade, suitable coating and strong corner design<\/td>\r\n              <td><a href=\"\/applications\/end-mills-for-hardened-steel\/\" target=\"_blank\">End Mills for Hardened Steel<\/a><\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>Cast Iron<\/td>\r\n              <td>4 flute carbide end mill with wear-resistant coating<\/td>\r\n              <td>Good wear resistance and stable cutting for abrasive chips<\/td>\r\n              <td><a href=\"\/technical\/end-mill-coatings\/\" target=\"_blank\">End Mill Coatings Guide<\/a><\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>Aluminum \/ Copper \/ Bronze<\/td>\r\n              <td>Review 2 flute or 3 flute first; use 4 flute mainly for finishing or light side milling<\/td>\r\n              <td>Chip evacuation and anti-sticking performance must be checked carefully<\/td>\r\n              <td><a href=\"\/applications\/end-mills-for-aluminum\/\" target=\"_blank\">End Mills for Aluminum<\/a><\/td>\r\n            <\/tr>\r\n          <\/tbody>\r\n        <\/table>\r\n      <\/div>\r\n\r\n      <p class=\"onmy-four-note\">\r\n        For aluminum, copper and bronze, 4 flute tools can work in selected finishing applications,\r\n        but chip evacuation must be reviewed. For slotting or heavy chip removal, 2 flute or 3 flute tools are often safer.\r\n      <\/p>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"onmy-four-section\" id=\"specs\">\r\n    <div class=\"onmy-four-container onmy-four-grid-2\">\r\n      <div class=\"onmy-four-content\">\r\n        <div class=\"onmy-four-eyebrow\">Specifications<\/div>\r\n        <h2>4 Flute End Mill Specifications and Options<\/h2>\r\n        <p>\r\n          ONMY can supply standard and custom carbide 4 flute end mills in different tool shapes,\r\n          diameters, cutting lengths, shank structures, corner radius sizes and coating options.\r\n        <\/p>\r\n\r\n        <ul>\r\n          <li><strong>Flute count:<\/strong> 4 flute \/ four flute \/ 4 flutes<\/li>\r\n          <li><strong>Tool shapes:<\/strong> square, corner radius \/ bull nose and custom geometry<\/li>\r\n          <li><strong>Catalogue examples:<\/strong> HMQ-4E, HMQ-4EL, HMQ-4EX, HMQ-4EH, HMQ-4EG, HMQ-4R, HMQ-4RH and HMQ-4RG<\/li>\r\n          <li><strong>Length options:<\/strong> standard length, long edge, extra-long edge, long shank and extra-long shank<\/li>\r\n          <li><strong>Diameter options:<\/strong> standard metric sizes, inch sizes, small-diameter tools and custom sizes<\/li>\r\n          <li><strong>Coating options:<\/strong> selected according to steel, stainless steel, hardened steel, cast iron or selected non-ferrous materials<\/li>\r\n          <li><strong>Custom options:<\/strong> diameter, flute length, overall length, shank, corner radius, roughing geometry, coating, marking and packaging<\/li>\r\n        <\/ul>\r\n\r\n        <a href=\"#quote\" class=\"onmy-four-btn onmy-four-btn-primary\">Request Specifications<\/a>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-image-box\">\r\n        <img decoding=\"async\" src=\"https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/07\/4-Flute-End-Mill-Specifications.webp\" alt=\"4 flute end mill specifications with tool dimensions and options\">\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"onmy-four-section onmy-four-section-light\" id=\"selection\">\r\n    <div class=\"onmy-four-container\">\r\n      <div class=\"onmy-four-section-title\">\r\n        <div class=\"onmy-four-eyebrow\">Selection Table<\/div>\r\n        <h2>How to Choose 4 Flute End Mills<\/h2>\r\n        <p>\r\n          Use this table as a practical starting point for selecting a 4 flute carbide end mill.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-table-wrap\">\r\n        <table class=\"onmy-four-table\">\r\n          <thead>\r\n            <tr>\r\n              <th>Machining Requirement<\/th>\r\n              <th>Recommended Option<\/th>\r\n              <th>Reason<\/th>\r\n            <\/tr>\r\n          <\/thead>\r\n          <tbody>\r\n            <tr>\r\n              <td>Steel side milling<\/td>\r\n              <td>4 flute square end mill<\/td>\r\n              <td>Better rigidity, cutting stability and finish than lower flute count tools.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>Stainless steel finishing<\/td>\r\n              <td>4 flute coated carbide end mill<\/td>\r\n              <td>More cutting edges and suitable coating help improve surface stability.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>Stronger cutting corner<\/td>\r\n              <td>4 flute corner radius \/ bull nose end mill<\/td>\r\n              <td>Corner radius helps reduce chipping and improve edge strength.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>Deep side wall milling<\/td>\r\n              <td>4 flute long edge or extra-long edge end mill<\/td>\r\n              <td>Extended flute length supports deeper side wall cutting.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>Deep cavity reach<\/td>\r\n              <td>4 flute long shank or extra-long shank end mill<\/td>\r\n              <td>Provides additional reach where the holder or shank must clear the workpiece.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>Aluminum finishing<\/td>\r\n              <td>4 flute end mill only after chip evacuation review<\/td>\r\n              <td>Can be used for light finishing, but 2 flute or 3 flute is usually better for heavy chip removal.<\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>Non-standard size or roughing need<\/td>\r\n              <td>Custom 4 flute end mill<\/td>\r\n              <td>Tool geometry can be designed according to drawing, material and cutting load.<\/td>\r\n            <\/tr>\r\n          <\/tbody>\r\n        <\/table>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"onmy-four-section\" id=\"comparison\">\r\n    <div class=\"onmy-four-container\">\r\n      <div class=\"onmy-four-section-title\">\r\n        <div class=\"onmy-four-eyebrow\">Flute Count Comparison<\/div>\r\n        <h2>4 Flute vs 2 Flute vs 3 Flute End Mills<\/h2>\r\n        <p>\r\n          Many buyers compare 2 flute, 3 flute and 4 flute tools before ordering.\r\n          The right choice depends on chip evacuation, rigidity and surface finish requirements.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-table-wrap\">\r\n        <table class=\"onmy-four-table\">\r\n          <thead>\r\n            <tr>\r\n              <th>Flute Count<\/th>\r\n              <th>Main Strength<\/th>\r\n              <th>Typical Materials<\/th>\r\n              <th>Best Used For<\/th>\r\n              <th>Related Page<\/th>\r\n            <\/tr>\r\n          <\/thead>\r\n          <tbody>\r\n            <tr>\r\n              <td>Single Flute<\/td>\r\n              <td>Maximum chip space<\/td>\r\n              <td>Aluminum, plastic, acrylic, non-ferrous materials<\/td>\r\n              <td>Chip evacuation, CNC routing, soft material machining<\/td>\r\n              <td><a href=\"\/carbide-end-mill-supplier\/single-flute-end-mill\/\" target=\"_blank\">Single Flute End Mills<\/a><\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>2 Flute<\/td>\r\n              <td>Chip evacuation and tool balance<\/td>\r\n              <td>Aluminum, copper, plastics and selected general materials<\/td>\r\n              <td>Slotting, pocketing, aluminum milling and general chip evacuation<\/td>\r\n              <td><a href=\"\/carbide-end-mill-supplier\/2-flute-end-mill\/\" target=\"_blank\">2 Flute End Mills<\/a><\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>3 Flute<\/td>\r\n              <td>Balance between chip space and rigidity<\/td>\r\n              <td>Aluminum, non-ferrous materials and light steel applications<\/td>\r\n              <td>Higher feed aluminum milling, profiling and balanced finishing<\/td>\r\n              <td><a href=\"\/carbide-end-mill-supplier\/3-flute-end-mill\/\" target=\"_blank\">3 Flute End Mills<\/a><\/td>\r\n            <\/tr>\r\n            <tr>\r\n              <td>4 Flute<\/td>\r\n              <td>Rigidity, strength and surface finish<\/td>\r\n              <td>Steel, stainless steel, hardened steel, cast iron and finishing applications<\/td>\r\n              <td>Side milling, finishing, steel machining and stable cutting<\/td>\r\n              <td><a href=\"\/carbide-end-mill-supplier\/4-flute-end-mill\/\" target=\"_blank\">Current Page<\/a><\/td>\r\n            <\/tr>\r\n          <\/tbody>\r\n        <\/table>\r\n      <\/div>\r\n\r\n      <p class=\"onmy-four-note\">\r\n        A simple starting point: choose 2 or 3 flute for aluminum chip evacuation, and choose 4 flute\r\n        for steel, rigidity and finishing. Final selection should consider machine rigidity, cutting depth,\r\n        coolant and required surface finish.\r\n      <\/p>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"onmy-four-cta-band\" id=\"custom\">\r\n    <div class=\"onmy-four-container onmy-four-cta-grid\">\r\n      <div>\r\n        <h2>Need Custom 4 Flute End Mills?<\/h2>\r\n        <p>\r\n          If standard 4 flute end mills cannot meet your machining requirement, ONMY can support\r\n          custom carbide 4 flute end mills according to drawing, sample or application details.\r\n          Custom options include diameter, flute length, overall length, shank diameter, corner radius,\r\n          coating, carbide grade, roughing geometry, marking and packaging.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-cta-actions\">\r\n        <a href=\"\/carbide-end-mill-supplier\/custom-end-mills\/\" class=\"onmy-four-btn onmy-four-btn-light\" target=\"_blank\">Send Drawing for Custom Tools<\/a>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"onmy-four-section\">\r\n    <div class=\"onmy-four-container\">\r\n      <div class=\"onmy-four-section-title\">\r\n        <div class=\"onmy-four-eyebrow\">Related Resources<\/div>\r\n        <h2>More Carbide End Mill Selection Resources<\/h2>\r\n        <p>\r\n          Compare 4 flute tools with related end mill pages before requesting a quotation.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-grid-3\">\r\n        <div class=\"onmy-four-card\">\r\n          <h3>Carbide End Mills<\/h3>\r\n          <p>View the main carbide end mill category page and compare square, ball nose, bull nose, roughing and custom tools.<\/p>\r\n          <a href=\"\/carbide-end-mill-supplier\/\" target=\"_blank\">View Carbide End Mills \u2192<\/a>\r\n        <\/div>\r\n        <div class=\"onmy-four-card\">\r\n          <h3>Square End Mills<\/h3>\r\n          <p>Compare square end mills for flat-bottom slots, pockets, shoulders, side milling and finishing.<\/p>\r\n          <a href=\"\/carbide-end-mill-supplier\/square-end-mill\/\" target=\"_blank\">View Square End Mills \u2192<\/a>\r\n        <\/div>\r\n        <div class=\"onmy-four-card\">\r\n          <h3>Bull Nose End Mills<\/h3>\r\n          <p>Choose corner radius \/ bull nose tools when stronger cutting corners and reduced chipping are needed.<\/p>\r\n          <a href=\"\/carbide-end-mill-supplier\/bull-nose-end-mill\/\" target=\"_blank\">View Bull Nose End Mills \u2192<\/a>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"onmy-four-section onmy-four-quote-section\" id=\"quote\">\r\n    <div class=\"onmy-four-container onmy-four-grid-2\">\r\n      <div class=\"onmy-four-content\">\r\n        <div class=\"onmy-four-eyebrow\">Request a Quote<\/div>\r\n        <h2>Need 4 Flute End Mills for Your Machining Application?<\/h2>\r\n        <p>\r\n          Send us your 4 flute end mill requirement and our team will help recommend a suitable tool solution.\r\n          Please provide material, hardness, tool diameter, flute length, overall length, shank diameter,\r\n          corner radius, coating requirement, cutting depth and quantity if available.\r\n        <\/p>\r\n\r\n        <ul>\r\n          <li>HMQ-4E, HMQ-4EL, HMQ-4EX, HMQ-4EH and HMQ-4EG square end mill directions<\/li>\r\n          <li>HMQ-4R, HMQ-4RH and HMQ-4RG corner radius \/ bull nose end mills<\/li>\r\n          <li>4 flute end mills for steel, stainless steel, hardened steel, cast iron and finishing<\/li>\r\n          <li>4 flute roughing end mill and custom geometry review<\/li>\r\n          <li>Custom 4 flute carbide end mills according to drawing<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-quote-box\">\r\n        <h3>Send Your Requirement<\/h3>\r\n\r\n        <div class=\"onmy-four-existing-form\">\r\n          <div class=\"wpforms-container \" id=\"wpforms-1078\"><form id=\"wpforms-form-1078\" class=\"wpforms-validate wpforms-form\" data-formid=\"1078\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/it\/wp-json\/wp\/v2\/pages\/13322\" data-token=\"37465cc2a64a4f136272ae32c0d7b21a\" data-token-time=\"1783608684\"><noscript class=\"wpforms-error-noscript\">Abilita JavaScript nel browser per completare questo modulo.<\/noscript><div class=\"wpforms-field-container\"><div id=\"wpforms-1078-field_0-container\" class=\"wpforms-field wpforms-field-name\" data-field-id=\"0\"><label class=\"wpforms-field-label wpforms-label-hide\" for=\"wpforms-1078-field_0\">Name <span class=\"wpforms-required-label\">*<\/span><\/label><input type=\"text\" id=\"wpforms-1078-field_0\" class=\"wpforms-field-large wpforms-field-required\" name=\"wpforms[fields][0]\" placeholder=\"Name\" required><\/div><div id=\"wpforms-1078-field_1-container\" class=\"wpforms-field wpforms-field-email\" data-field-id=\"1\"><label 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class=\"wpforms-required-label\">*<\/span><\/label><textarea id=\"wpforms-1078-field_2\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][2]\" placeholder=\"Message\" required><\/textarea><\/div><\/div><!-- .wpforms-field-container --><div class=\"wpforms-field wpforms-field-hp\"><label for=\"wpforms-1078-field-hp\" class=\"wpforms-field-label\">Name<\/label><input type=\"text\" name=\"wpforms[hp]\" id=\"wpforms-1078-field-hp\" class=\"wpforms-field-medium\"><\/div><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"1078\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/onmytoolings.com\/it\/wp-json\/wp\/v2\/pages\/13322\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-1078\" class=\"wpforms-submit\" data-alt-text=\"Sending...\" data-submit-text=\"Send Message\" aria-live=\"assertive\" value=\"wpforms-submit\">Send Message<\/button><\/div><\/form><\/div>  <!-- .wpforms-container -->\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"onmy-four-section onmy-four-section-light\" id=\"faq\">\r\n    <div class=\"onmy-four-container\">\r\n      <div class=\"onmy-four-section-title\">\r\n        <div class=\"onmy-four-eyebrow\">FAQ<\/div>\r\n        <h2>4 Flute End Mills FAQ<\/h2>\r\n      <\/div>\r\n\r\n      <div class=\"onmy-four-faq\">\r\n        <div class=\"onmy-four-faq-item\">\r\n          <h3>What is a 4 flute end mill?<\/h3>\r\n          <p>\r\n            A 4 flute end mill is a carbide milling cutter with four cutting flutes.\r\n            It is commonly selected for better rigidity, surface finish and stable cutting in steel and harder materials.\r\n          <\/p>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-faq-item\">\r\n          <h3>What are 4 flute end mills used for?<\/h3>\r\n          <p>\r\n            4 flute end mills are used for side milling, finishing, profiling, steel machining,\r\n            stainless steel machining, hardened steel machining, shallow slotting and applications where tool rigidity is important.\r\n          <\/p>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-faq-item\">\r\n          <h3>Which 4 flute end mill series do you supply?<\/h3>\r\n          <p>\r\n            ONMY can supply catalogue-supported 4 flute structures such as HMQ-4E, HMQ-4EL,\r\n            HMQ-4EX, HMQ-4EH, HMQ-4EG, HMQ-4R, HMQ-4RH and HMQ-4RG.\r\n            Custom 4 flute carbide end mills can also be made according to drawing or application details.\r\n          <\/p>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-faq-item\">\r\n          <h3>Is a 4 flute end mill good for steel?<\/h3>\r\n          <p>\r\n            Yes. 4 flute end mills are commonly selected for steel, stainless steel and harder materials\r\n            because the tool has more cutting edges and better rigidity than lower flute count tools.\r\n          <\/p>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-faq-item\">\r\n          <h3>Can a 4 flute end mill cut aluminum?<\/h3>\r\n          <p>\r\n            A 4 flute end mill can be used for selected aluminum finishing, light profiling or side milling,\r\n            but it is usually not the first choice for deep slotting or heavy chip removal. For aluminum roughing\r\n            or slotting, 2 flute or 3 flute tools are often easier to use because they provide more chip space.\r\n          <\/p>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-faq-item\">\r\n          <h3>What is the difference between a 2 flute and 4 flute end mill?<\/h3>\r\n          <p>\r\n            A 2 flute end mill provides more chip space and is often selected for aluminum and slotting.\r\n            A 4 flute end mill provides more cutting edges, better rigidity and better finishing performance,\r\n            especially in steel and harder materials.\r\n          <\/p>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-faq-item\">\r\n          <h3>What is the difference between a 3 flute and 4 flute end mill?<\/h3>\r\n          <p>\r\n            A 3 flute end mill usually offers a balance between chip evacuation and rigidity, especially in aluminum.\r\n            A 4 flute end mill usually provides greater rigidity and surface finish but less chip space.\r\n          <\/p>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-faq-item\">\r\n          <h3>Do you provide 4 flute roughing end mills?<\/h3>\r\n          <p>\r\n            ONMY can review 4 flute roughing end mill requirements and recommend suitable rough milling geometry,\r\n            corner radius, coating or custom tool design according to material, cutting depth and metal removal requirement.\r\n          <\/p>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-faq-item\">\r\n          <h3>Do you provide custom 4 flute carbide end mills?<\/h3>\r\n          <p>\r\n            Yes. ONMY supports custom 4 flute carbide end mills according to drawing, sample or machining application.\r\n            Custom options include diameter, flute length, overall length, shank diameter, corner radius,\r\n            coating, carbide grade, roughing geometry, marking and packaging.\r\n          <\/p>\r\n        <\/div>\r\n\r\n        <div class=\"onmy-four-faq-item\">\r\n          <h3>Can I request 4 flute end mill feeds and speeds?<\/h3>\r\n          <p>\r\n            Yes. Please send your workpiece material, hardness, tool diameter, flute length,\r\n            cutting depth, machine type, coolant condition and coating preference so ONMY can review suitable cutting parameters.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <script type=\"application\/ld+json\">\r\n  {\r\n    \"@context\": \"https:\/\/schema.org\",\r\n    \"@type\": \"FAQPage\",\r\n    \"mainEntity\": [\r\n      {\r\n        \"@type\": \"Question\",\r\n        \"name\": \"What is a 4 flute end mill?\",\r\n        \"acceptedAnswer\": {\r\n          \"@type\": \"Answer\",\r\n          \"text\": \"A 4 flute end mill is a carbide milling cutter with four cutting flutes. 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Supplier ONMY supplies solid carbide 4 flute end mills, four flute end mills and 4 flute carbide milling cutters for steel machining, stainless steel milling, side milling, slot milling, finishing and precision CNC [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":12462,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"disabled","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"enabled","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-13322","page","type-page","status-publish","hentry"],"acf":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Jiang.xu","author_link":"https:\/\/onmytoolings.com\/it\/author\/bigsunjianggmail-com\/"},"uagb_comment_info":0,"uagb_excerpt":"Home \/ Carbide End Mills \/ 4 Flute End Mills Solid Carbide 4 Flute End Mills 4 Flute End Mills Manufacturer &amp; Supplier ONMY supplies solid carbide 4 flute end mills, four flute end mills and 4 flute carbide milling cutters for steel machining, stainless steel milling, side milling, slot milling, finishing and precision CNC&hellip;","_links":{"self":[{"href":"https:\/\/onmytoolings.com\/it\/wp-json\/wp\/v2\/pages\/13322","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onmytoolings.com\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/onmytoolings.com\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/onmytoolings.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/onmytoolings.com\/it\/wp-json\/wp\/v2\/comments?post=13322"}],"version-history":[{"count":24,"href":"https:\/\/onmytoolings.com\/it\/wp-json\/wp\/v2\/pages\/13322\/revisions"}],"predecessor-version":[{"id":18898,"href":"https:\/\/onmytoolings.com\/it\/wp-json\/wp\/v2\/pages\/13322\/revisions\/18898"}],"up":[{"embeddable":true,"href":"https:\/\/onmytoolings.com\/it\/wp-json\/wp\/v2\/pages\/12462"}],"wp:attachment":[{"href":"https:\/\/onmytoolings.com\/it\/wp-json\/wp\/v2\/media?parent=13322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}