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3-Flute Carbide Milling Cutters

Fraises à queue en carbure monobloc à 3 cannelures

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 aluminum cutting. Choose by slotting or profiling operation, cutter geometry and required tool dimensions.

3 canneluresSlotting & Profiling3E & 3U GeometryHAL / HAS / HAX
Three solid carbide 3-flute end mills for CNC milling
3-Flute End Mill SelectionCompare 3E and 3U geometry before choosing a product family.
Comparaison du nombre de flûtes

2 vs 3 vs 4 Flute End Mills

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.

3 cannelures

Three cutting edges combine a different edge-count and flute-space balance for slotting, side milling and profiling.

Current Category
Géométrie de coupe

3E vs 3U: Choose the Right 3-Flute Geometry

Compare the two available three-flute cutting geometries before selecting a model family and length variant.

3E standard solid carbide 3-flute square end mill geometry
HAL · HAS · HAX

3E — Square End Mill

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.

  • Available families: HAL-3E, HAS-3E, HAX-3E
  • Standard and selected extended-length variants
3U U-flute solid carbide 3-flute end mill geometry
HAL · HAS

3U — U-Flute Square End Mill

U-flute geometry supports chip evacuation in aluminum cutting. Assess chip flow, engagement and the required cutting length when comparing HAL and HAS variants.

  • Available families: HAL-3U, HAS-3U
  • Standard, extended and extra-extended length variants
Gammes de produits

Explore 3 Flute Carbide End Mill Families

Browse five three-flute families organized by 3E and 3U geometry. Compare cutting-edge design and length variants before requesting a model specification.

Applications d'usinage

Slotting, Side Milling & Profiling with 3-Flute End Mills

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.

Fraisage de rainures

Slots & Channels

For full-width slotting, consider chip removal and available cutting length. Compare 3E and 3U flute shapes rather than relying on flute count alone.

Fraisage de poches

Flat-Bottom Pocket Milling

Square-end geometry can create flat pocket floors. Select a suitable cutting length and maintain chip clearance for the cavity geometry.

Fraisage de profilés

Fraisage latéral et profilage

Check radial engagement, tool overhang and machine rigidity to balance cutting stability and the required wall finish.

For broader cutter selection by workpiece material, including ball nose and other end mill types, see Fraises en bout pour l'aluminium.

Dimensions de l'outil

3 Flute End Mill Dimensions & Length Options

Use the cutting and shank dimensions to specify a suitable tool. Match the family variant to the reach needed for your part.

DCutting diameter
dDiamètre de la tige
HCutting / flute length
LLongueur totale

The cutting length H is not automatically the maximum machining depth; actual usable reach depends on tool design and setup.

3 flute end mill dimension drawing showing D cutting diameter, d shank diameter, H cutting length and L overall length
Length GroupModel SuffixSelection Consideration
Standard3E / 3UChoose for the required dimensions and accessible features.
Extended3EL / 3ULCheck required reach, setup rigidity and cutting conditions.
Extra Extended3EX / 3UXReview overhang and deflection risks in longer-reach applications.
Guide de sélection

3-Flute End Mill Selection Checklist

Start with the machining operation and chip evacuation needs; then confirm the available three-flute geometry, family and cutter dimensions.

01

Define the Cutting Operation

Identify slotting, pocket milling or profiling, and note the cutter engagement and required finish.

02

Review Chip Evacuation

Consider chip concentration and flute space, then compare 3E square-end and 3U U-flute options.

03

Choose the Available Family

Review HAL economical, HAS high-performance and HAX high-precision series; 3U models are listed for HAL and HAS.

04

Confirm Size & Reach

Specify D, d, H and L, the selected family, and the required quantity for your quotation.

Outils de fraisage associés

Explore Related End Mill Categories

Need a different edge count or cutter shape? Explore related categories, or browse the aluminum material page for a wider choice of tool types.

Demander un devis

Request 3 Flute End Mill Pricing & Specifications

Share your machining requirements so the appropriate three-flute end mill family and dimensions can be reviewed.

  • Famille de produits ou référence, si vous les connaissez
  • Diamètre de coupe D, diamètre de la tige d, longueur de coupe H et longueur totale L
  • Aluminum alloy, operation, required quantity and drawing if available

Demander les tarifs et les caractéristiques techniques

Veuillez indiquer le modèle, l'application et la quantité, si vous disposez de ces informations.

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