{"id":13294,"date":"2024-08-05T13:57:19","date_gmt":"2024-08-05T13:57:19","guid":{"rendered":"https:\/\/onmytoolings.com\/?page_id=13294"},"modified":"2026-10-15T14:49:13","modified_gmt":"2026-10-15T14:49:13","slug":"3-flute-end-mill","status":"publish","type":"page","link":"https:\/\/onmytoolings.com\/zh\/carbide-end-mill-supplier\/3-flute-end-mill\/","title":{"rendered":"3 \u5203\u7acb\u94e3\u5200"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"13294\" class=\"elementor elementor-13294\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4cae3ea e-con-full e-flex e-con e-parent\" data-id=\"4cae3ea\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fde2bb5 elementor-widget elementor-widget-html\" data-id=\"fde2bb5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div 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.tf-table{width:100%;border-collapse:collapse;font-size:14px}.tf-page .tf-table th,.tf-page .tf-table td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.tf-page .tf-table th{background:#123A73;color:white}.tf-page .tf-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}.tf-page .tf-table{min-width:590px}.tf-page button:focus-visible,.tf-page a:focus-visible{outline:3px solid #F0B654;outline-offset:3px}\r\n@media(max-width:900px){.tf-page .tf-hero-grid,.tf-page .tf-quote-grid,.tf-page .tf-two-col{grid-template-columns:1fr}.tf-page .tf-hero h1{font-size:42px}.tf-page .tf-grid3,.tf-page .tf-compare{grid-template-columns:repeat(2,minmax(0,1fr))}.tf-page .tf-steps,.tf-page .tf-related{grid-template-columns:repeat(2,minmax(0,1fr))}}\r\n@media(max-width:600px){.tf-page .tf-section{padding:52px 0}.tf-page .tf-hero{padding:55px 0}.tf-page .tf-hero h1{font-size:34px}.tf-page h2,.tf-page .tf-quote h2{font-size:29px}.tf-page .tf-grid2,.tf-page .tf-grid3,.tf-page .tf-compare,.tf-page .tf-steps,.tf-page .tf-related,.tf-page .tf-size-details{grid-template-columns:1fr}.tf-page .tf-quote-panel{padding:21px}.tf-page .tf-hero-art .tf-image{min-height:220px}.tf-page .tf-card{padding:22px}}\r\n<\/style>\r\n\r\n<div class=\"tf-page\" id=\"tf-top\">\r\n<div class=\"tf-crumb\"><div class=\"tf-container\"><a href=\"\/\" target=\"_blank\">Home<\/a> &nbsp;\u203a&nbsp; <a href=\"\/carbide-end-mill-supplier\/\" target=\"_blank\">Carbide End Mills<\/a> &nbsp;\u203a&nbsp; 3 Flute End Mills<\/div><\/div>\r\n<section class=\"tf-hero\"><div class=\"tf-container tf-hero-grid\"><div><div class=\"tf-eyebrow\">3-Flute Carbide Milling Cutters<\/div><h1>Solid Carbide 3 Flute End Mills<\/h1><p>Compare solid carbide 3-flute square end mills by cutting geometry, chip evacuation requirements and tool reach. Explore 3E and U-flute 3U options across HAL, HAS and HAX families.<\/p><p class=\"tf-sub\">These product families are primarily intended for aluminum cutting. Choose by slotting or profiling operation, cutter geometry and required tool dimensions.<\/p><div class=\"tf-actions\"><a class=\"tf-btn\" href=\"#tf-families\">Explore Product Families \u2192<\/a><a class=\"tf-btn tf-btn-outline\" href=\"#tf-quote\">Request a Quote \u2192<\/a><\/div><div class=\"tf-hero-pills\"><span>3 Flutes<\/span><span>Slotting &amp; Profiling<\/span><span>3E &amp; 3U Geometry<\/span><span>HAL \/ HAS \/ HAX<\/span><\/div><\/div><div class=\"tf-hero-art\"><div class=\"tf-image tf-photo tf-photo-hero\"><img fetchpriority=\"high\" src=\"https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/10\/3-Flute-End-Mill-\u2014-Hero-product-photograph.webp\" alt=\"Three solid carbide 3-flute end mills for CNC milling\" width=\"800\" height=\"800\" decoding=\"async\" fetchpriority=\"high\" \/><\/div><strong>3-Flute End Mill Selection<\/strong><small>Compare 3E and 3U geometry before choosing a product family.<\/small><\/div><\/div><\/section>\r\n<section class=\"tf-section\"><div class=\"tf-container\"><div class=\"tf-section-head\"><div class=\"tf-eyebrow\">Flute Count Comparison<\/div><h2>2 vs 3 vs 4 Flute End Mills<\/h2><p>Different flute counts offer different combinations of cutting edges and flute space. Compare chip evacuation, engagement and cutting conditions rather than selecting a cutter by flute count alone.<\/p><\/div><div class=\"tf-compare\"><article><strong>2-Flute<\/strong><p>Fewer cutting edges generally leave more flute space, which can be useful when chip volume is high.<\/p><a href=\"\/carbide-end-mill-supplier\/2-flute-end-mill\/\" target=\"_blank\">View 2 Flute End Mills \u2192<\/a><\/article><article><strong>3-Flute<\/strong><p>Three cutting edges combine a different edge-count and flute-space balance for slotting, side milling and profiling.<\/p><span class=\"tf-badge\">Current Category<\/span><\/article><article><strong>4-Flute<\/strong><p>More cutting edges may be useful for certain cutting conditions, provided chip clearance and machine rigidity are suitable.<\/p><a href=\"\/carbide-end-mill-supplier\/4-flute-end-mill\/\" target=\"_blank\">View 4 Flute End Mills \u2192<\/a><\/article><\/div><\/div><\/section>\r\n<section class=\"tf-section tf-alt tf-geometry\" id=\"tf-geometry\"><div class=\"tf-container\"><div class=\"tf-section-head\"><div class=\"tf-eyebrow\">Cutting Geometry<\/div><h2>3E vs 3U: Choose the Right 3-Flute Geometry<\/h2><p>Compare the two available three-flute cutting geometries before selecting a model family and length variant.<\/p><\/div><div class=\"tf-grid2\"><article class=\"tf-card\"><div class=\"tf-image tf-photo tf-photo-3e\"><img loading=\"lazy\" src=\"https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/10\/3E-Standard-3-Flute-Geometry.webp\" alt=\"3E standard solid carbide 3-flute square end mill geometry\" width=\"800\" height=\"800\" loading=\"lazy\" decoding=\"async\" \/><\/div><span class=\"tf-badge\">HAL \u00b7 HAS \u00b7 HAX<\/span><h3>3E \u2014 Square End Mill<\/h3><p>A three-flute square-end profile for flat-bottom features, slots and profiles. Select the HAL, HAS or HAX family and cutter length to match the operation.<\/p><ul><li>Available families: HAL-3E, HAS-3E, HAX-3E<\/li><li>Standard and selected extended-length variants<\/li><\/ul><\/article><article class=\"tf-card\"><div class=\"tf-image tf-photo tf-photo-3u\"><img loading=\"lazy\" src=\"https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/10\/3U-U-Flute-3-Flute-Geometry-Carbide-Endmil.webp\" alt=\"3U U-flute solid carbide 3-flute end mill geometry\" width=\"800\" height=\"800\" loading=\"lazy\" decoding=\"async\" \/><\/div><span class=\"tf-badge\">HAL \u00b7 HAS<\/span><h3>3U \u2014 U-Flute Square End Mill<\/h3><p>U-flute geometry supports chip evacuation in aluminum cutting. Assess chip flow, engagement and the required cutting length when comparing HAL and HAS variants.<\/p><ul><li>Available families: HAL-3U, HAS-3U<\/li><li>Standard, extended and extra-extended length variants<\/li><\/ul><\/article><\/div><\/div><\/section>\r\n<section class=\"tf-section\" id=\"tf-families\"><div class=\"tf-container\"><div class=\"tf-section-head\"><div class=\"tf-eyebrow\">Product Families<\/div><h2>Explore 3 Flute Carbide End Mill Families<\/h2><p>Browse five three-flute families organized by 3E and 3U geometry. Compare cutting-edge design and length variants before requesting a model specification.<\/p><\/div><div class=\"tf-filters\" role=\"group\" aria-label=\"Filter by 3 flute cutting geometry\"><button type=\"button\" data-geometry=\"all\" aria-pressed=\"true\">All Families<\/button><button type=\"button\" data-geometry=\"3E\" aria-pressed=\"false\">3E Square<\/button><button type=\"button\" data-geometry=\"3U\" aria-pressed=\"false\">3U U-Flute<\/button><\/div><div class=\"tf-grid3\">\r\n<article class=\"tf-card tf-family\" data-geometry=\"3E\"><span class=\"tf-badge\">Economical \u00b7 Aluminum<\/span><div class=\"tf-code\">HAL-3E<\/div><p>Three-flute square end mill family for economical aluminum machining.<\/p><ul><li>Family variants: HAL-3E \/ 3EL \/ 3EX<\/li><li>Tool profile: square end<\/li><\/ul><a class=\"tf-link\" href=\"#tf-quote\">Request HAL-3E Specifications \u2192<\/a><\/article>\r\n<article class=\"tf-card tf-family\" data-geometry=\"3U\"><span class=\"tf-badge\">Economical \u00b7 Aluminum<\/span><div class=\"tf-code\">HAL-3U<\/div><p>Economical U-flute three-flute family for aluminum applications requiring chip evacuation.<\/p><ul><li>Family variants: HAL-3U \/ 3UL \/ 3UX<\/li><li>Tool profile: U-flute square end<\/li><\/ul><a class=\"tf-link\" href=\"#tf-quote\">Request HAL-3U Specifications \u2192<\/a><\/article>\r\n<article class=\"tf-card tf-family\" data-geometry=\"3E\"><span class=\"tf-badge\">High Performance \u00b7 Aluminum<\/span><div class=\"tf-code\">HAS-3E<\/div><p>High-performance three-flute square end mill family for aluminum machining.<\/p><ul><li>Family variants: HAS-3E \/ 3EL \/ 3EX<\/li><li>Tool profile: square end<\/li><\/ul><a class=\"tf-link\" href=\"#tf-quote\">Request HAS-3E Specifications \u2192<\/a><\/article>\r\n<article class=\"tf-card tf-family\" data-geometry=\"3U\"><span class=\"tf-badge\">High Performance \u00b7 Aluminum<\/span><div class=\"tf-code\">HAS-3U<\/div><p>High-performance U-flute three-flute family for aluminum milling.<\/p><ul><li>Family variants: HAS-3U \/ 3UL \/ 3UX<\/li><li>Tool profile: U-flute square end<\/li><\/ul><a class=\"tf-link\" href=\"#tf-quote\">Request HAS-3U Specifications \u2192<\/a><\/article>\r\n<article class=\"tf-card tf-family\" data-geometry=\"3E\"><span class=\"tf-badge\">High Precision \u00b7 Aluminum<\/span><div class=\"tf-code\">HAX-3E<\/div><p>Precision-oriented three-flute square end mill family for aluminum machining.<\/p><ul><li>Family variants: HAX-3E \/ 3EL \/ 3EX<\/li><li>Tool profile: square end<\/li><\/ul><a class=\"tf-link\" href=\"#tf-quote\">Request HAX-3E Specifications \u2192<\/a><\/article>\r\n<\/div><\/div><\/section>\r\n<section class=\"tf-section tf-alt\"><div class=\"tf-container\"><div class=\"tf-section-head\"><div class=\"tf-eyebrow\">Machining Applications<\/div><h2>Slotting, Side Milling &amp; Profiling with 3-Flute End Mills<\/h2><p>Three-flute cutter selection depends on the type of cut, chip evacuation, cutter engagement and tool reach. Use the operation to narrow down the appropriate geometry.<\/p><\/div><div class=\"tf-grid3\"><article class=\"tf-card\"><span class=\"tf-badge\">Slot Milling<\/span><h3>Slots &amp; Channels<\/h3><p>For full-width slotting, consider chip removal and available cutting length. Compare 3E and 3U flute shapes rather than relying on flute count alone.<\/p><\/article><article class=\"tf-card\"><span class=\"tf-badge\">Pocket Milling<\/span><h3>Flat-Bottom Pocket Milling<\/h3><p>Square-end geometry can create flat pocket floors. Select a suitable cutting length and maintain chip clearance for the cavity geometry.<\/p><\/article><article class=\"tf-card\"><span class=\"tf-badge\">Profile Milling<\/span><h3>Side Milling &amp; Profiling<\/h3><p>Check radial engagement, tool overhang and machine rigidity to balance cutting stability and the required wall finish.<\/p><\/article><\/div><p class=\"tf-note\">For broader cutter selection by workpiece material, including ball nose and other end mill types, see <a href=\"\/applications\/end-mills-for-aluminum\/\" target=\"_blank\">End Mills for Aluminum<\/a>.<\/p><\/div><\/section>\r\n<section class=\"tf-section\"><div class=\"tf-container tf-two-col\"><div><div class=\"tf-eyebrow\">Tool Dimensions<\/div><h2>3 Flute End Mill Dimensions &amp; Length Options<\/h2><p>Use the cutting and shank dimensions to specify a suitable tool. Match the family variant to the reach needed for your part.<\/p><div class=\"tf-size-details\"><div><strong>D<\/strong><small>Cutting diameter<\/small><\/div><div><strong>d<\/strong><small>Shank diameter<\/small><\/div><div><strong>H<\/strong><small>Cutting \/ flute length<\/small><\/div><div><strong>L<\/strong><small>Overall length<\/small><\/div><\/div><p class=\"tf-note\">The cutting length H is not automatically the maximum machining depth; actual usable reach depends on tool design and setup.<\/p><\/div><div class=\"tf-image tf-photo tf-dimension-photo\"><img loading=\"lazy\" src=\"https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/10\/3-Flute-End-Mill-Dimensions.png\" alt=\"3 flute end mill dimension drawing showing D cutting diameter, d shank diameter, H cutting length and L overall length\" width=\"648\" height=\"276\" loading=\"lazy\" decoding=\"async\" \/><\/div><\/div><div class=\"tf-container\" style=\"margin-top:25px\"><div class=\"tf-table-wrap\"><table class=\"tf-table\"><thead><tr><th>Length Group<\/th><th>Model Suffix<\/th><th>Selection Consideration<\/th><\/tr><\/thead><tbody><tr><td>Standard<\/td><td>3E \/ 3U<\/td><td>Choose for the required dimensions and accessible features.<\/td><\/tr><tr><td>Extended<\/td><td>3EL \/ 3UL<\/td><td>Check required reach, setup rigidity and cutting conditions.<\/td><\/tr><tr><td>Extra Extended<\/td><td>3EX \/ 3UX<\/td><td>Review overhang and deflection risks in longer-reach applications.<\/td><\/tr><\/tbody><\/table><\/div><\/div><\/section>\r\n<section class=\"tf-section tf-alt\"><div class=\"tf-container\"><div class=\"tf-section-head\"><div class=\"tf-eyebrow\">Selection Guide<\/div><h2>3-Flute End Mill Selection Checklist<\/h2><p>Start with the machining operation and chip evacuation needs; then confirm the available three-flute geometry, family and cutter dimensions.<\/p><\/div><div class=\"tf-steps\"><article class=\"tf-step\"><b>01<\/b><h3>Define the Cutting Operation<\/h3><p>Identify slotting, pocket milling or profiling, and note the cutter engagement and required finish.<\/p><\/article><article class=\"tf-step\"><b>02<\/b><h3>Review Chip Evacuation<\/h3><p>Consider chip concentration and flute space, then compare 3E square-end and 3U U-flute options.<\/p><\/article><article class=\"tf-step\"><b>03<\/b><h3>Choose the Available Family<\/h3><p>Review HAL economical, HAS high-performance and HAX high-precision series; 3U models are listed for HAL and HAS.<\/p><\/article><article class=\"tf-step\"><b>04<\/b><h3>Confirm Size &amp; Reach<\/h3><p>Specify D, d, H and L, the selected family, and the required quantity for your quotation.<\/p><\/article><\/div><\/div><\/section>\r\n<section class=\"tf-section\"><div class=\"tf-container\"><div class=\"tf-section-head\"><div class=\"tf-eyebrow\">Related Milling Tools<\/div><h2>Explore Related End Mill Categories<\/h2><p>Need a different edge count or cutter shape? Explore related categories, or browse the aluminum material page for a wider choice of tool types.<\/p><\/div><div class=\"tf-related\"><a href=\"\/carbide-end-mill-supplier\/square-end-mill\/\" target=\"_blank\">Square End Mills<small>Flat-bottom milling geometry<\/small><\/a><a href=\"\/carbide-end-mill-supplier\/2-flute-end-mill\/\" target=\"_blank\">2 Flute End Mills<small>Alternative cutting-edge configuration<\/small><\/a><a href=\"\/carbide-end-mill-supplier\/4-flute-end-mill\/\" target=\"_blank\">4 Flute End Mills<small>Alternative cutting-edge configuration<\/small><\/a><a href=\"\/applications\/end-mills-for-aluminum\/\" target=\"_blank\">End Mills for Aluminum<small>Wider material-focused tool selection<\/small><\/a><\/div><\/div><\/section>\r\n<section class=\"tf-section tf-quote\" id=\"tf-quote\"><div class=\"tf-container tf-quote-grid\"><div><div class=\"tf-eyebrow\" style=\"color:#A7CDFE\">Request a Quote<\/div><h2>Request 3 Flute End Mill Pricing &amp; Specifications<\/h2><p>Share your machining requirements so the appropriate three-flute end mill family and dimensions can be reviewed.<\/p><ul><li>Product family or order number, if known<\/li><li>Cutting diameter D, shank diameter d, cutting length H and overall length L<\/li><li>Aluminum alloy, operation, required quantity and drawing if available<\/li><\/ul><\/div><div class=\"tf-quote-panel\"><h3>Request Pricing &amp; 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Carbide End Mills &nbsp;\u203a&nbsp; 3 Flute End Mills 3-Flute Carbide Milling Cutters Solid Carbide 3 Flute End Mills Compare solid carbide 3-flute square end mills by cutting geometry, chip evacuation requirements and tool reach. Explore 3E and U-flute 3U options across HAL, HAS and HAX families. These product families are primarily intended for [&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-13294","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\/zh\/author\/bigsunjianggmail-com\/"},"uagb_comment_info":0,"uagb_excerpt":"Home &nbsp;\u203a&nbsp; Carbide End Mills &nbsp;\u203a&nbsp; 3 Flute End Mills 3-Flute Carbide Milling Cutters Solid Carbide 3 Flute End Mills Compare solid carbide 3-flute square end mills by cutting geometry, chip evacuation requirements and tool reach. Explore 3E and U-flute 3U options across HAL, HAS and HAX families. These product families are primarily intended for...","_links":{"self":[{"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/pages\/13294","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/comments?post=13294"}],"version-history":[{"count":30,"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/pages\/13294\/revisions"}],"predecessor-version":[{"id":19874,"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/pages\/13294\/revisions\/19874"}],"up":[{"embeddable":true,"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/pages\/12462"}],"wp:attachment":[{"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/media?parent=13294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}