3 5 and 6 Flute End Mills

3 5 and 6 Flute End Mills

3 Flute - 45° Helix
3 Flute - 45° Helix
3 Flute - 60° Helix
3 Flute - 60° Helix
5 Flute - 45° Helix
5 Flute - 45° Helix
6 Flute - 45° Helix
6 Flute - 45° Helix

 

3-Flute Carbide End Mills

5-Flute Carbide End Mills

6-Flute Carbide End Mills

Advantages
  • Higher Chip Removal Rate: 3-flute end mills provide larger chip evacuation paths due to fewer flutes. This results in efficient chip removal, making them suitable for high-speed machining.
  • Enhanced Rigidity: With fewer flutes, these end mills offer greater rigidity, reducing the chances of deflection and vibration during heavy cuts.
  • Improved Chip Control: They are particularly effective in materials that produce long, stringy chips, such as aluminum, as they can better control chip formation.
  • Smooth Surface Finish: 5-flute end mills produce fewer tool marks and a smoother surface finish due to the higher number of flutes, which results in more contact points with the workpiece.
  • Enhanced Stability: They offer good stability during machining, reducing chatter and vibration, particularly in applications requiring precision and fine finishes.
  • Exceptional Surface Finish: 6-flute end mills provide even more contact points with the workpiece, resulting in an exceptionally smooth surface finish with minimal tool marks.
  • High Precision: They are excellent for precision machining applications where tight tolerances and high accuracy are essential.

Use Cases
  • Slotting and Roughing: Their rigidity makes them well-suited for slotting and roughing operations in various materials, including steel and stainless steel.
  • High-Speed Machining: The larger chip evacuation paths allow for higher cutting speeds, making them ideal for high-speed machining applications.
  • Finishing Operations: 5-flute end mills are excellent for finishing passes in materials like aluminum, stainless steel, and high-temperature alloys.
  • Hard Milling: They can handle hard materials like tool steel and hardened alloys while maintaining a high-quality surface finish.
  • Profile Machining: These end mills excel in profiling complex shapes and contours.
  • Finish Machining: 6-flute end mills are often used for finish machining of intricate parts, such as aerospace components and medical devices.
  • Contouring: These end mills excel in contouring complex shapes and intricate profiles.
  • High-Speed Machining (HSM): In applications requiring high-speed machining, 6-flute end mills can maintain precision and quality surface finishes.

 

45-Degree Helix

60-Degree Helix
End mills with a 45-degree helix angle are versatile and suitable for a wide range of materials and applications. They offer a balance between chip evacuation and rigidity. End mills with a 60-degree helix angle are designed for high-efficiency machining, especially in materials that are prone to work hardening. They excel in materials like stainless steel and heat-resistant alloys.
  • Compare SKU Vendor Size (D1) Shank Diameter (D2) Flute Length (L2) Reach (L3) Overall Length (L1) Length Type Corner Radius (R) Included Angle Taper Angle Helix Angle Number of Flutes Weldon Flats Flats Coating In Stock Price Quantity
    A42586 ACT 1/4 1/4 3/4 2-1/2 38° 6 No ALCRO-MAX 100
    $54.64
  • A42630 ACT 1/4 1/4 3/8 2 38° 7 No ALCRO-MAX 100
    $30.10
  • A72421 ACT 1/4 1/4 3/8 2 38° 6 No ALCRO-MAX 49
    $28.29
  • A49799 ACT 1/8 1/8 1/4 1-1/2 45° 5 Uncoated 47
    $10.43
  • A49783 HTC Tool 1/4 1/4 3/4 2-1/2 45° 6 ALTiN Available to Order*
    $18.38
  • A49331 ACT 1/8 1/8 1/2 1-1/2 45° 3 Uncoated 49
    $19.26
  • A49315 ACT 1/8 1/8 1/2 1-1/2 60° 3 Uncoated 50
    $19.26
  • A42597 ACT 1/4 1/4 1-1/8 3 38° 6 No ALCRO-MAX 74
    $60.04
  • A42636 ACT 1/4 1/4 3/4 2-1/2 38° 7 No ALCRO-MAX 89
    $36.99
  • A59229 ACT 1/4 1/4 3/4 2-1/2 38° 6 No ALCRO-MAX 100
    $34.31
  • A49808 ACT 1/8 1/8 1/4 1-1/2 45° 5 ALTiN 100
    $13.07
  • A49791 HTC Tool 1/4 1/4 1-1/8 3 45° 6 ALTiN Available to Order*
    $28.18
  • A49339 ACT 1/8 1/8 1/2 1-1/2 45° 3 ALTiN 34
    $23.91
  • A49323 ACT 1/8 1/8 1/2 1-1/2 60° 3 ALTiN 14
    $23.91
  • A42587 ACT 5/16 5/16 13/16 2-1/2 38° 6 No ALCRO-MAX 83
    $64.45
  • A42643 ACT 1/4 1/4 1-1/8 3 38° 7 No ALCRO-MAX 100
    $42.68
  • A68815 HTC Tool 1/4 1/4 1-1/2 4 45° 6 ALTiN Available to Order*
    $33.58
  • A59218 ACT 1/4 1/4 1-1/8 3 38° 6 No ALCRO-MAX 16
    $39.34
  • A49817 ACT 1/8 1/8 1/2 1-1/2 45° 5 Uncoated 50
    $20.24
  • A49332 ACT 3/16 3/16 5/8 2 45° 3 Uncoated 50
    $23.17
  • A49316 ACT 3/16 3/16 5/8 2 60° 3 Uncoated 50
    $23.17
  • A42598 ACT 5/16 5/16 1-1/8 3 38° 6 No ALCRO-MAX 100
    $69.93
  • A42631 ACT 5/16 5/16 7/16 2 38° 7 No ALCRO-MAX 100
    $44.90
  • A72422 ACT 5/16 5/16 7/16 2 38° 6 No ALCRO-MAX 61
    $41.70
  • A49825 ACT 1/8 1/8 1/2 1-1/2 45° 5 ALTiN 100
    $24.25
  • A49784 HTC Tool 5/16 5/16 3/4 2-1/2 45° 6 ALTiN Available to Order*
    $26.57
  • A49340 ACT 3/16 3/16 5/8 2 45° 3 ALTiN 16
    $28.61
  • A49324 ACT 3/16 3/16 5/8 2 60° 3 ALTiN 20
    $28.61
  • A42588 ACT 3/8 3/8 1 2-1/2 38° 6 No ALCRO-MAX 71
    $69.40
  • A42637 ACT 5/16 5/16 13/16 2-1/2 38° 7 No ALCRO-MAX 100
    $47.79
  • A59230 ACT 5/16 5/16 13/16 2-1/2 38° 6 No ALCRO-MAX 39
    $44.82
  • A49800 ACT 3/16 3/16 3/8 2 45° 5 Uncoated 50
    $14.84
  • A49792 HTC Tool 5/16 5/16 1-1/8 3 45° 6 ALTiN Available to Order*
    $35.97
  • A49333 ACT 1/4 1/4 3/4 2-1/2 45° 3 Uncoated 50
    $24.78
  • A49317 ACT 1/4 1/4 3/4 2-1/2 60° 3 Uncoated 50
    $24.78
  • A42599 ACT 3/8 3/8 1-1/4 3 38° 6 No ALCRO-MAX 85
    $79.95
  • A42644 ACT 5/16 5/16 1-1/8 3 38° 7 No ALCRO-MAX 100
    $57.07
  • A68816 HTC Tool 5/16 5/16 1-5/8 4 45° 6 ALTiN Available to Order*
    $41.60
  • A59219 ACT 5/16 5/16 1-1/8 3 38° 6 No ALCRO-MAX 66
    $53.28
  • A49809 ACT 3/16 3/16 3/8 2 45° 5 ALTiN 100
    $19.67
  • A49341 ACT 1/4 1/4 3/4 2-1/2 45° 3 ALTiN 15
    $30.76
  • A49325 ACT 1/4 1/4 3/4 2-1/2 60° 3 ALTiN 20
    $30.76
  • A42589 ACT 1/2 1/2 1-1/4 3 38° 6 No ALCRO-MAX 60
    $101.89
  • A42632 ACT 3/8 3/8 1/2 2 38° 7 No ALCRO-MAX 100
    $50.02
  • A72423 ACT 3/8 3/8 1/2 2 38° 6 No ALCRO-MAX 19
    $46.47
  • A49818 ACT 3/16 3/16 3/4 2 45° 5 Uncoated 50
    $25.52
  • A49785 HTC Tool 3/8 3/8 1 2-1/2 45° 6 ALTiN Available to Order*
    $29.55
  • A49334 ACT 5/16 5/16 13/16 2-1/2 45° 3 Uncoated 50
    $29.98
  • A49318 ACT 5/16 5/16 13/16 2-1/2 60° 3 Uncoated 50
    $29.98
  • A42600 ACT 1/2 1/2 2 4 38° 6 No ALCRO-MAX 60
    $135.41
  • A42638 ACT 3/8 3/8 1 2-1/2 38° 7 No ALCRO-MAX 15
    $56.66
  • A59231 ACT 3/8 3/8 1 2-1/2 38° 6 No ALCRO-MAX 17
    $52.91
  • A49826 ACT 3/16 3/16 3/4 2 45° 5 ALTiN 46
    $29.98
  • A49793 HTC Tool 3/8 3/8 1-1/8 3 45° 6 ALTiN Available to Order*
    $46.41
  • A49342 ACT 5/16 5/16 13/16 2-1/2 45° 3 ALTiN 42
    $37.19
  • A49326 ACT 5/16 5/16 13/16 2-1/2 60° 3 ALTiN 19
    $37.19
  • A42593 ACT 1/2 1/2 1-1/4 3 38° 6 Yes ALCRO-MAX 61
    $130.62
  • A42645 ACT 3/8 3/8 1-1/4 3 38° 7 No ALCRO-MAX 100
    $76.82
  • A68817 HTC Tool 3/8 3/8 1-3/4 4 45° 6 ALTiN Available to Order*
    $51.16
  • A59220 ACT 3/8 3/8 1-1/4 3 38° 6 No ALCRO-MAX 8
    $71.95
  • A49801 ACT 1/4 1/4 1/2 2 45° 5 Uncoated 50
    $20.04
  • A42604 ACT 1/2 1/2 2 4 38° 6 Yes ALCRO-MAX 80
    $170.49
  • A42633 ACT 1/2 1/2 5/8 2-1/2 38° 7 No ALCRO-MAX 71
    $80.49
  • A72424 ACT 1/2 1/2 5/8 2-1/2 38° 6 No ALCRO-MAX 100
    $74.84
  • A68814 HTC Tool 7/16 7/16 1-3/16 2-3/4 45° 6 ALTiN Available to Order*
    $38.85
  • A49810 ACT 1/4 1/4 1/2 2 45° 5 ALTiN 100
    $23.58
  • A49343 ACT 3/8 3/8 7/8 2-1/2 45° 3 ALTiN 15
    $44.58
  • A49327 ACT 3/8 3/8 7/8 2-1/2 60° 3 ALTiN 18
    $43.50
  • A42590 ACT 5/8 5/8 1-5/8 3-1/2 38° 6 No ALCRO-MAX 10
    $177.29
  • A72427 ACT 1/2 1/2 5/8 2-1/2 38° 6 Yes ALCRO-MAX 20
    $98.54
  • A49819 ACT 1/4 1/4 3/4 2-1/2 45° 5 Uncoated 50
    $27.33
  • A49787 HTC Tool 1/2 1/2 1-1/4 3 45° 6 ALTiN Available to Order*
    $64.01
  • A49336 ACT 1/2 1/2 1-1/4 3 45° 3 Uncoated 50
    $79.12
  • A49320 ACT 1/2 1/2 1-1/4 3 60° 3 Uncoated 48
    $79.12
  • A42601 ACT 5/8 5/8 2-1/4 5 38° 6 No ALCRO-MAX 21
    $220.26
  • A42639 ACT 1/2 1/2 1-1/4 3 38° 7 No ALCRO-MAX 64
    $99.78
  • A59232 ACT 1/2 1/2 1-1/4 3 38° 6 No ALCRO-MAX Available to Order*
    $89.80
  • A49827 ACT 1/4 1/4 3/4 2-1/2 45° 5 ALTiN 247
    $32.28
  • A49795 HTC Tool 1/2 1/2 2 4 45° 6 ALTiN Available to Order*
    $106.96
  • A49344 ACT 1/2 1/2 1-1/4 3 45° 3 ALTiN 27
    $96.44
  • A49328 ACT 1/2 1/2 1-1/4 3 60° 3 ALTiN 25
    $96.44
  • A42594 ACT 5/8 5/8 1-5/8 3-1/2 38° 6 Yes ALCRO-MAX 22
    $230.02
  • A68818 HTC Tool 1/2 1/2 3 6 45° 6 ALTiN Available to Order*
    $163.41
  • A68799 HTC Tool 1/4 1/4 1-1/8 3 45° 5 ALTiN Available to Order*
    $28.18
  • A59236 ACT 1/2 1/2 1-1/4 3 38° 6 Yes ALCRO-MAX 20
    $116.43
  • A49337 ACT 5/8 5/8 1-5/8 3-1/2 45° 3 Uncoated 50
    $168.63
  • A49321 ACT 5/8 5/8 1-5/8 3-1/2 60° 3 Uncoated 50
    $168.63
  • A42605 ACT 5/8 5/8 2-1/4 5 38° 6 Yes ALCRO-MAX 24
    $282.39
  • A42646 ACT 1/2 1/2 2 4 38° 7 No ALCRO-MAX 100
    $130.13
  • A68800 HTC Tool 1/4 1/4 1-1/2 4 45° 5 ALTiN Available to Order*
    $33.58
  • A59221 ACT 1/2 1/2 2 4 38° 6 No ALCRO-MAX 45
    $120.72
  • A49788 HTC Tool 5/8 5/8 1-5/8 3-1/2 45° 6 ALTiN Available to Order*
    $91.66
  • A49345 ACT 5/8 5/8 1-5/8 3-1/2 45° 3 ALTiN 14
    $191.64
  • A49329 ACT 5/8 5/8 1-5/8 3-1/2 60° 3 ALTiN 8
    $191.64
  • A42591 ACT 3/4 3/4 1-5/8 4 38° 6 No ALCRO-MAX 16
    $222.23
  • A59225 ACT 1/2 1/2 2 4 38° 6 Yes ALCRO-MAX 23
    $153.00
  • A49802 ACT 5/16 5/16 1/2 2 45° 5 Uncoated 49
    $23.99
  • A49796 HTC Tool 5/8 5/8 2-1/4 5 45° 6 ALTiN Available to Order*
    $140.53
  • A49338 ACT 3/4 3/4 1-5/8 4 45° 3 Uncoated 50
    $236.74
  • A49322 ACT 3/4 3/4 1-5/8 4 60° 3 Uncoated 50
    $236.74

* Lead times can vary from 1–10 business days. Call (908) 98-ATLAS or email sales@atlascuttingtools.com for details.

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