4 Flute Standard

4 Flute Standard

Atlas Cobalt 4 Flute Double End Mill

Cobalt End Mill - 4 Flute - 30° Helix - Double End - Fractional

  • Offered in stub, regular, long, and
    extra long length styles 
  • TiN coating is used in applications with lower cutting speeds than TiCN and ALTiN but often improves the tool’s lifetime by a factor of three or more. Typically used for in wide range of materials including iron based, hardened steels, and stainless steels.
  • Made in the USA
  • TiCN coating is a general purpose coating that offers improved wear resistance to abrasive, adhesive, or difficult to machine materials such as cast iron, aluminum alloys, steels, copper and more. 
  • ALTIN is a high performance coating for milling, tapping and drilling in stainless steels, carbon steels, alloy steels, titanium and cast iron. This coating is extremely heat resistant and can be used with or without coolant. 

Have a question or need help?

Call Customer Service at 908-98-ATLAS or email: Sales@atlascuttingtools.com
  • 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
    A76720 ACT 7/16 7/16 1 4-1/8 30° 4 ALTiN 19
    $76.02
  • A76721 ACT 1/2 1/2 1 4-1/8 30° 4 ALTiN 12
    $76.32
  • A76706 ACT 9/16 9/16 1-3/8 5 30° 4 Uncoated 20
    $80.69
  • A76722 ACT 9/16 9/16 1-3/8 5 30° 4 ALTiN 9
    $98.79
  • A76707 ACT 5/8 5/8 1-3/8 5 30° 4 Uncoated 25
    $80.97
  • A76723 ACT 5/8 5/8 1-3/8 5 30° 4 ALTiN 20
    $95.65
  • A68226 HTC Tool 21/32 3/4 1-5/8 5-5/8 30° 4 TiCN Available to Order*
    $73.48
  • A68227 HTC Tool 21/32 3/4 1-5/8 5-5/8 30° 4 TiALN Available to Order*
    $75.98
  • A67630 HTC Tool 11/16 3/4 1-5/8 5-5/8 30° 4 TiCN Available to Order*
    $73.48
  • A67631 HTC Tool 11/16 3/4 1-5/8 5-5/8 30° 4 TiALN Available to Order*
    $75.98
  • A68290 HTC Tool 23/32 3/4 1-5/8 5-5/8 30° 4 TiCN Available to Order*
    $73.48
  • A68291 HTC Tool 23/32 3/4 1-5/8 5-5/8 30° 4 TiALN Available to Order*
    $75.98
  • A68357 HTC Tool 25/32 7/8 1-7/8 6-1/8 30° 4 Uncoated Available to Order*
    $75.93
  • A68360 HTC Tool 25/32 7/8 1-7/8 6-1/8 30° 4 TiN Available to Order*
    $90.37
  • A68342 HTC Tool 25/32 7/8 1-7/8 6-1/8 30° 4 TiCN Available to Order*
    $76.49
  • A68358 HTC Tool 25/32 7/8 1-7/8 6-1/8 30° 4 TiCN Available to Order*
    $97.61
  • A68343 HTC Tool 25/32 7/8 1-7/8 6-1/8 30° 4 TiALN Available to Order*
    $80.09
  • A67829 HTC Tool 13/16 7/8 1-7/8 6-1/8 30° 4 Uncoated Available to Order*
    $75.93
  • A67832 HTC Tool 13/16 7/8 1-7/8 6-1/8 30° 4 TiN Available to Order*
    $90.37
  • A67810 HTC Tool 13/16 7/8 1-7/8 6-1/8 30° 4 TiCN Available to Order*
    $74.64
  • A67830 HTC Tool 13/16 7/8 1-7/8 6-1/8 30° 4 TiCN Available to Order*
    $97.61
  • A67811 HTC Tool 13/16 7/8 1-7/8 6-1/8 30° 4 TiALN Available to Order*
    $78.27
  • A68409 HTC Tool 27/32 7/8 1-7/8 6-1/8 30° 4 Uncoated Available to Order*
    $75.93
  • A68412 HTC Tool 27/32 7/8 1-7/8 6-1/8 30° 4 TiN Available to Order*
    $90.37
  • A68394 HTC Tool 27/32 7/8 1-7/8 6-1/8 30° 4 TiCN Available to Order*
    $76.49
  • A68410 HTC Tool 27/32 7/8 1-7/8 6-1/8 30° 4 TiCN Available to Order*
    $97.61
  • A68395 HTC Tool 27/32 7/8 1-7/8 6-1/8 30° 4 TiALN Available to Order*
    $80.09
  • A67273 HTC Tool 7/8 7/8 1-7/8 6-1/8 30° 4 TiN Available to Order*
    $76.58
  • A67271 HTC Tool 7/8 7/8 1-7/8 6-1/8 30° 4 TiCN Available to Order*
    $83.80
  • A67192 HTC Tool 7/8 7/8 1-7/8 6-1/8 30° 4 TiALN Available to Order*
    $73.05
  • A67272 HTC Tool 7/8 7/8 1-7/8 6-1/8 30° 4 TiALN Available to Order*
    $87.40
  • A68448 HTC Tool 29/32 1 1-7/8 6-3/8 30° 4 TiN Available to Order*
    $83.81
  • A68446 HTC Tool 29/32 1 1-7/8 6-3/8 30° 4 TiCN Available to Order*
    $91.56
  • A68447 HTC Tool 29/32 1 1-7/8 6-3/8 30° 4 TiALN Available to Order*
    $95.43
  • A67960 HTC Tool 15/16 1 1-7/8 6-3/8 30° 4 TiN Available to Order*
    $84.35
  • A67958 HTC Tool 15/16 1 1-7/8 6-3/8 30° 4 TiCN Available to Order*
    $92.10
  • A67959 HTC Tool 15/16 1 1-7/8 6-3/8 30° 4 TiALN Available to Order*
    $95.97
  • A68512 HTC Tool 31/32 1 1-7/8 6-3/8 30° 4 TiN Available to Order*
    $83.81
  • A68510 HTC Tool 31/32 1 1-7/8 6-3/8 30° 4 TiCN Available to Order*
    $91.56
  • A68511 HTC Tool 31/32 1 1-7/8 6-3/8 30° 4 TiALN Available to Order*
    $95.43
  • A60821 HTC Tool 1 1 1-7/8 6-3/8 30° 4 Uncoated Available to Order*
    $74.73
  • A60676 HTC Tool 1 1 1-7/8 6-3/8 30° 4 TiN Available to Order*
    $72.75
  • A60824 HTC Tool 1 1 1-7/8 6-3/8 30° 4 TiN Available to Order*
    $90.23
  • A60674 HTC Tool 1 1 1-7/8 6-3/8 30° 4 TiCN Available to Order*
    $80.50
  • A60822 HTC Tool 1 1 1-7/8 6-3/8 30° 4 TiCN Available to Order*
    $97.99
  • A60675 HTC Tool 1 1 1-7/8 6-3/8 30° 4 TiALN Available to Order*
    $84.40

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

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