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
  • Size (D1) Shank Dia (D2) Flute Length (L2) OAL (L1) # of Flutes Coating Cut Type In Stock Sku Price Quantity
    25/64 1/2 1 4-1/8 4 TiN Center Cutting Call
    A68380
    $40.17
  • 25/64 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A68378
    $43.18
  • 25/64 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A68379
    $44.66
  • 27/64 1/2 1 4-1/8 4 TiN Center Cutting Call
    A68440
    $40.17
  • 27/64 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A68438
    $43.18
  • 27/64 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A68439
    $44.66
  • 29/64 1/2 1 4-1/8 4 TiN Center Cutting Call
    A68496
    $40.17
  • 29/64 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A68494
    $43.18
  • 29/64 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A68495
    $44.66
  • 15/32 1/2 1 4-1/8 4 TiN Center Cutting Call
    A68032
    $40.17
  • 15/32 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A68030
    $43.18
  • 15/32 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A68031
    $44.66
  • 31/64 1/2 1 4-1/8 4 TiALN Non Center Cutting Call
    A68539
    $40.45
  • 31/64 1/2 1 4-1/8 4 TiN Center Cutting Call
    A68560
    $40.17
  • 31/64 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A68558
    $43.18
  • 31/64 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A68559
    $44.66
  • 17/32 5/8 1-3/8 5 4 Uncoated Center Cutting Call
    A68089
    $45.81
  • 17/32 5/8 1-3/8 5 4 TiN Center Cutting Call
    A68092
    $54.53
  • 17/32 5/8 1-3/8 5 4 TiCN Center Cutting Call
    A68090
    $58.90
  • 17/32 5/8 1-3/8 5 4 TiALN Center Cutting Call
    A68091
    $61.09
  • 9/16 5/8 1-3/8 5 4 TiCN Non Center Cutting Call
    A67542
    $43.36
  • 9/16 5/8 1-3/8 5 4 TiALN Non Center Cutting Call
    A67543
    $45.56
  • 9/16 5/8 1-3/8 5 4 TiN Center Cutting Call
    A67584
    $45.60
  • 9/16 5/8 1-3/8 5 4 TiCN Center Cutting Call
    A67582
    $49.96
  • 9/16 5/8 1-3/8 5 4 TiALN Center Cutting Call
    A67583
    $52.13
  • 19/32 5/8 1-3/8 5 4 TiN Non Center Cutting Call
    A68140
    $48.35
  • 19/32 5/8 1-3/8 5 4 TiCN Non Center Cutting Call
    A68138
    $52.70
  • 19/32 5/8 1-3/8 5 4 TiALN Non Center Cutting Call
    A68139
    $54.88
  • 19/32 5/8 1-3/8 5 4 Uncoated Center Cutting Call
    A68157
    $45.81
  • 19/32 5/8 1-3/8 5 4 TiN Center Cutting Call
    A68160
    $54.53
  • 19/32 5/8 1-3/8 5 4 TiCN Center Cutting Call
    A68158
    $58.90
  • 19/32 5/8 1-3/8 5 4 TiALN Center Cutting Call
    A68159
    $61.09
  • 5/8 5/8 1-3/8 5 4 TiCN Non Center Cutting Call
    A66612
    $41.51
  • 5/8 5/8 1-3/8 5 4 TiALN Non Center Cutting Call
    A66613
    $43.71
  • 5/8 5/8 1-3/8 5 4 TiN Center Cutting Call
    A66722
    $44.57
  • 5/8 5/8 1-3/8 5 4 TiCN Center Cutting Call
    A66720
    $48.93
  • 5/8 5/8 1-3/8 5 4 TiALN Center Cutting Call
    A66721
    $51.10
  • 21/32 3/4 1-5/8 5-5/8 4 Uncoated Non Center Cutting Call
    A68205
    $49.69
  • 21/32 3/4 1-5/8 5-5/8 4 TiN Non Center Cutting Call
    A68208
    $59.69
  • 21/32 3/4 1-5/8 5-5/8 4 Uncoated Center Cutting Call
    A68225
    $58.51
  • 11/16 3/4 1-5/8 5-5/8 4 Uncoated Non Center Cutting Call
    A67613
    $47.18
  • 11/16 3/4 1-5/8 5-5/8 4 TiN Non Center Cutting Call
    A67616
    $57.18
  • 11/16 3/4 1-5/8 5-5/8 4 TiCN Non Center Cutting Call
    A67614
    $62.16
  • 11/16 3/4 1-5/8 5-5/8 4 Uncoated Center Cutting Call
    A67629
    $58.51
  • 23/32 3/4 1-5/8 5-5/8 4 Uncoated Non Center Cutting Call
    A68269
    $49.69
  • 23/32 3/4 1-5/8 5-5/8 4 TiN Non Center Cutting Call
    A68272
    $59.69
  • 23/32 3/4 1-5/8 5-5/8 4 Uncoated Center Cutting Call
    A68289
    $58.51
  • 3/4 3/4 1-5/8 5-5/8 4 TiN Non Center Cutting Call
    A65347
    $46.46
  • 3/4 3/4 1-5/8 5-5/8 4 TiCN Non Center Cutting Call
    A65345
    $51.45
  • 3/4 3/4 1-5/8 5-5/8 4 TiALN Non Center Cutting Call
    A65346
    $53.95
  • 3/4 3/4 1-5/8 5-5/8 4 Uncoated Center Cutting Call
    A65468
    $45.28
  • 3/4 3/4 1-5/8 5-5/8 4 TiN Center Cutting Call
    A65471
    $55.29
  • 3/4 3/4 1-5/8 5-5/8 4 TiCN Center Cutting Call
    A65469
    $60.27
  • 3/4 3/4 1-5/8 5-5/8 4 TiALN Center Cutting Call
    A65470
    $62.78
  • 25/32 7/8 1-7/8 6-1/8 4 Uncoated Non Center Cutting Call
    A68341
    $54.84
  • 13/16 7/8 1-7/8 6-1/8 4 Uncoated Non Center Cutting Call
    A67809
    $52.99
  • 27/32 7/8 1-7/8 6-1/8 4 Uncoated Non Center Cutting Call
    A68393
    $54.84
  • 7/8 7/8 1-7/8 6-1/8 4 Uncoated Non Center Cutting Call
    A67190
    $47.77
  • 7/8 7/8 1-7/8 6-1/8 4 TiN Non Center Cutting Call
    A67193
    $62.22
  • 7/8 7/8 1-7/8 6-1/8 4 Uncoated Center Cutting Call
    A67270
    $62.14
  • 1 1 1-7/8 6-3/8 4 Uncoated Non Center Cutting Call
    A60673
    $57.25
  • Total: items /

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