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
    A42602 ACT 3/4 3/4 2-1/4 5 38° 6 No ALCRO-MAX 22
    $335.32
  • A42634 ACT 5/8 5/8 3/4 3 38° 7 No ALCRO-MAX 26
    $195.96
  • A72425 ACT 5/8 5/8 3/4 3 38° 6 No ALCRO-MAX 19
    $184.38
  • A68819 HTC Tool 5/8 5/8 3 6 45° 6 ALTiN Available to Order*
    $159.50
  • A49811 ACT 5/16 5/16 1/2 2 45° 5 ALTiN 64
    $29.65
  • A49346 ACT 3/4 3/4 1-5/8 4 45° 3 ALTiN 6
    $264.28
  • A49330 ACT 3/4 3/4 1-5/8 4 60° 3 ALTiN 9
    $264.28
  • A42595 ACT 3/4 3/4 1-5/8 4 38° 6 Yes ALCRO-MAX 16
    $287.94
  • A72428 ACT 5/8 5/8 3/4 3 38° 6 Yes ALCRO-MAX 36
    $197.94
  • A49820 ACT 5/16 5/16 7/8 2-1/2 45° 5 Uncoated 50
    $32.94
  • A49789 HTC Tool 3/4 3/4 1-5/8 4 45° 6 ALTiN Available to Order*
    $204.15
  • A42606 ACT 3/4 3/4 2-1/4 5 38° 6 Yes ALCRO-MAX 47
    $351.94
  • A42640 ACT 5/8 5/8 1-5/8 3-1/2 38° 7 No ALCRO-MAX 10
    $219.96
  • A59233 ACT 5/8 5/8 1-5/8 3-1/2 38° 6 No ALCRO-MAX 23
    $201.28
  • A49828 HTC Tool 5/16 5/16 3/4 2-1/2 45° 5 ALTiN 77
    $26.57
  • A49797 HTC Tool 3/4 3/4 2-1/4 5 45° 6 ALTiN Available to Order*
    $318.60
  • A42592 ACT 1 1 2 4 38° 6 No ALCRO-MAX 18
    $444.66
  • A68820 HTC Tool 3/4 3/4 3 6 45° 6 ALTiN Available to Order*
    $358.75
  • A68801 HTC Tool 5/16 5/16 1-1/8 3 45° 5 ALTiN Available to Order*
    $35.97
  • A59237 ACT 5/8 5/8 1-5/8 3-1/2 38° 6 Yes ALCRO-MAX 6
    $214.89
  • A42596 ACT 1 1 2 4 38° 6 Yes ALCRO-MAX 19
    $467.26
  • A42647 ACT 5/8 5/8 2-1/4 5 38° 7 No ALCRO-MAX 22
    $291.20
  • A68802 HTC Tool 5/16 5/16 1-5/8 4 45° 5 ALTiN Available to Order*
    $41.60
  • A59222 ACT 5/8 5/8 2-1/4 5 38° 6 No ALCRO-MAX 21
    $276.81
  • A49790 HTC Tool 1 1 2 4 45° 6 ALTiN Available to Order*
    $366.03
  • A42603 ACT 1 1 3 6 38° 6 No ALCRO-MAX 24
    $729.36
  • A59226 ACT 5/8 5/8 2-1/4 5 38° 6 Yes ALCRO-MAX 17
    $290.51
  • A49803 ACT 3/8 3/8 5/8 2 45° 5 Uncoated 50
    $39.54
  • A49798 HTC Tool 1 1 2-1/2 5 45° 6 ALTiN Available to Order*
    $537.25
  • A42607 ACT 1 1 3 6 38° 6 Yes ALCRO-MAX 19
    $751.92
  • A42635 ACT 3/4 3/4 1 3 38° 7 No ALCRO-MAX 18
    $254.14
  • A72426 ACT 3/4 3/4 1 3 38° 6 No ALCRO-MAX 20
    $241.61
  • A68821 HTC Tool 1 1 3-1/4 6 45° 6 ALTiN Available to Order*
    $663.81
  • A49812 ACT 3/8 3/8 5/8 2 45° 5 ALTiN 100
    $46.67
  • A72429 ACT 3/4 3/4 1 3 38° 6 Yes ALCRO-MAX 13
    $258.18
  • A68822 HTC Tool 1 1 4 7 45° 6 ALTiN Available to Order*
    $825.12
  • A49821 ACT 3/8 3/8 1 2-1/2 45° 5 Uncoated 34
    $44.12
  • A42641 ACT 3/4 3/4 1-5/8 4 38° 7 No ALCRO-MAX 10
    $279.99
  • A59234 ACT 3/4 3/4 1-5/8 4 38° 6 No ALCRO-MAX 20
    $266.13
  • A49829 ACT 3/8 3/8 1 2-1/2 45° 5 ALTiN 68
    $52.03
  • A68803 HTC Tool 3/8 3/8 1-1/8 3 45° 5 ALTiN Available to Order*
    $46.41
  • A59238 ACT 3/4 3/4 1-5/8 4 38° 6 Yes ALCRO-MAX 15
    $282.76
  • A42648 ACT 3/4 3/4 2-1/4 5 38° 7 No ALCRO-MAX 22
    $363.77
  • A68804 HTC Tool 3/8 3/8 1-3/4 4 45° 5 ALTiN Available to Order*
    $51.16
  • A59223 ACT 3/4 3/4 2-1/4 5 38° 6 No ALCRO-MAX 17
    $340.68
  • A59227 ACT 3/4 3/4 2-1/4 5 38° 6 Yes ALCRO-MAX 24
    $357.34
  • A49804 ACT 7/16 7/16 5/8 2-1/2 45° 5 Uncoated 50
    $45.15
  • A42642 ACT 1 1 2 4 38° 7 No ALCRO-MAX 15
    $580.68
  • A59235 ACT 1 1 2 4 38° 6 No ALCRO-MAX 12
    $541.80
  • A49813 ACT 7/16 7/16 5/8 2-1/2 45° 5 ALTiN 19
    $53.27
  • A68797 HTC Tool 7/16 7/16 1-3/16 2-3/4 45° 5 ALTiN Available to Order*
    $38.85
  • A59239 ACT 1 1 2 4 38° 6 Yes ALCRO-MAX 31
    $564.48
  • A42649 ACT 1 1 3 6 38° 7 No ALCRO-MAX 12
    $713.94
  • A59224 ACT 1 1 3 6 38° 6 No ALCRO-MAX 16
    $682.14
  • A49805 ACT 1/2 1/2 5/8 2-1/2 45° 5 Uncoated 50
    $60.24
  • A59228 ACT 1 1 3 6 38° 6 Yes ALCRO-MAX Available to Order*
    $704.78
  • A49814 ACT 1/2 1/2 5/8 2-1/2 45° 5 ALTiN 100
    $71.13
  • A49830 ACT 1/2 1/2 1-1/4 3 45° 5 ALTiN 278
    $112.48
  • A68805 HTC Tool 1/2 1/2 2 4 45° 5 ALTiN Available to Order*
    $106.96
  • A68806 HTC Tool 1/2 1/2 3 6 45° 5 ALTiN Available to Order*
    $163.41
  • A49806 ACT 5/8 5/8 3/4 3 45° 5 Uncoated 50
    $114.54
  • A49815 ACT 5/8 5/8 3/4 3 45° 5 ALTiN 31
    $136.18
  • A49823 ACT 5/8 5/8 1-5/8 3-1/2 45° 5 Uncoated 50
    $193.00
  • A49831 ACT 5/8 5/8 1-5/8 3-1/2 45° 5 ALTiN 8
    $228.75
  • A68807 HTC Tool 5/8 5/8 2-1/4 5 45° 5 ALTiN Available to Order*
    $140.53
  • A68808 HTC Tool 5/8 5/8 3 6 45° 5 ALTiN Available to Order*
    $159.50
  • A49807 ACT 3/4 3/4 1 3 45° 5 Uncoated 50
    $154.36
  • A49816 ACT 3/4 3/4 1 3 45° 5 ALTiN 26
    $180.22
  • A43461 ACT 3/4 3/4 1-5/8 4 45° 5 Uncoated 100
    $271.29
  • A49832 ACT 3/4 3/4 1-5/8 4 45° 5 ALTiN 13
    $310.99
  • A68809 HTC Tool 3/4 3/4 2-1/4 5 45° 5 ALTiN Available to Order*
    $318.60
  • A68810 HTC Tool 3/4 3/4 3 6 45° 5 ALTiN Available to Order*
    $358.75
  • A68798 HTC Tool 1 1 2 4 45° 5 ALTiN Available to Order*
    $366.03
  • A68811 HTC Tool 1 1 2-1/2 5 45° 5 ALTiN Available to Order*
    $537.25
  • A68812 HTC Tool 1 1 3-1/4 6 45° 5 ALTiN Available to Order*
    $663.81
  • A68813 HTC Tool 1 1 4 7 45° 5 ALTiN Available to Order*
    $825.12

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

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