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
    A42601 ACT 5/8 5/8 2-1/4 5 38° 6 No ALCRO-MAX 21
    $220.26
  • A42594 ACT 5/8 5/8 1-5/8 3-1/2 38° 6 Yes ALCRO-MAX 22
    $233.48
  • A49345 ACT 5/8 5/8 1-5/8 3-1/2 45° 3 ALTiN 14
    $194.52
  • A49329 ACT 5/8 5/8 1-5/8 3-1/2 60° 3 ALTiN 8
    $194.52
  • A42591 ACT 3/4 3/4 1-5/8 4 38° 6 No ALCRO-MAX 16
    $222.23
  • A49338 ACT 3/4 3/4 1-5/8 4 45° 3 Uncoated 50
    $240.30
  • A49322 ACT 3/4 3/4 1-5/8 4 60° 3 Uncoated 50
    $240.30
  • A72428 ACT 5/8 5/8 3/4 3 38° 6 Yes ALCRO-MAX 36
    $200.92
  • A49789 HTC Tool 3/4 3/4 1-5/8 4 45° 6 ALTiN Available to Order*
    $204.15
  • A42640 ACT 5/8 5/8 1-5/8 3-1/2 38° 7 No ALCRO-MAX 3
    $180.22
  • A59237 ACT 5/8 5/8 1-5/8 3-1/2 38° 6 Yes ALCRO-MAX 6
    $218.12
  • A42647 ACT 5/8 5/8 2-1/4 5 38° 7 No ALCRO-MAX 24
    $238.60
  • A59222 ACT 5/8 5/8 2-1/4 5 38° 6 No ALCRO-MAX 25
    $226.81
  • A42635 ACT 3/4 3/4 1 3 38° 7 No ALCRO-MAX 18
    $208.22
  • A72426 ACT 3/4 3/4 1 3 38° 6 No ALCRO-MAX 24
    $197.95
  • A72429 ACT 3/4 3/4 1 3 38° 6 Yes ALCRO-MAX 13
    $262.06
  • A42641 ACT 3/4 3/4 1-5/8 4 38° 7 No ALCRO-MAX 10
    $229.41
  • A59234 ACT 3/4 3/4 1-5/8 4 38° 6 No ALCRO-MAX 21
    $218.07
  • A49823 ACT 5/8 5/8 1-5/8 3-1/2 45° 5 Uncoated 50
    $195.90
  • A49831 ACT 5/8 5/8 1-5/8 3-1/2 45° 5 ALTiN 8
    $232.19
  • A49816 ACT 3/4 3/4 1 3 45° 5 ALTiN 38
    $182.93
  • A68809 HTC Tool 3/4 3/4 2-1/4 5 45° 5 ALTiN Available to Order*
    $242.18

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

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