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
    21/64 3/8 3/4 3-1/2 4 Uncoated Center Cutting Call
    A68245
    $18.13
  • 21/64 3/8 3/4 3-1/2 4 TiN Center Cutting Call
    A68248
    $20.73
  • 21/64 3/8 3/4 3-1/2 4 TiCN Center Cutting Call
    A68246
    $22.02
  • 21/64 3/8 3/4 3-1/2 4 TiALN Center Cutting Call
    A68247
    $22.67
  • 11/32 3/8 3/4 3-1/2 4 Uncoated Center Cutting Call
    A61953
    $15.43
  • 11/32 3/8 3/4 3-1/2 4 TiN Center Cutting Call
    A61956
    $18.02
  • 11/32 3/8 3/4 3-1/2 4 TiCN Center Cutting Call
    A61954
    $19.33
  • 11/32 3/8 3/4 3-1/2 4 TiALN Center Cutting Call
    A61955
    $19.96
  • 23/64 3/8 3/4 3-1/2 4 Uncoated Non Center Cutting Call
    A68297
    $15.45
  • 23/64 3/8 3/4 3-1/2 4 TiN Non Center Cutting Call
    A68300
    $18.05
  • 23/64 3/8 3/4 3-1/2 4 TiCN Non Center Cutting Call
    A68298
    $19.35
  • 23/64 3/8 3/4 3-1/2 4 TiALN Non Center Cutting Call
    A68299
    $19.99
  • 23/64 3/8 3/4 3-1/2 4 Uncoated Center Cutting Call
    A68313
    $18.13
  • 23/64 3/8 3/4 3-1/2 4 TiN Center Cutting Call
    A68316
    $20.73
  • 23/64 3/8 3/4 3-1/2 4 TiCN Center Cutting Call
    A68314
    $22.02
  • 23/64 3/8 3/4 3-1/2 4 TiALN Center Cutting Call
    A68315
    $22.67
  • 3/8 3/8 3/4 3-1/2 4 Uncoated Center Cutting Call
    A65932
    $14.38
  • 3/8 3/8 3/4 3-1/2 4 TiN Center Cutting Call
    A65935
    $16.97
  • 3/8 3/8 3/4 3-1/2 4 TiCN Center Cutting Call
    A65933
    $18.27
  • 3/8 3/8 3/4 3-1/2 4 TiALN Center Cutting Call
    A65934
    $18.92
  • 25/64 1/2 1 4-1/8 4 Uncoated Non Center Cutting Call
    A68365
    $22.41
  • 25/64 1/2 1 4-1/8 4 TiN Non Center Cutting Call
    A68368
    $27.12
  • 25/64 1/2 1 4-1/8 4 TiCN Non Center Cutting Call
    A68366
    $29.47
  • 25/64 1/2 1 4-1/8 4 TiALN Non Center Cutting Call
    A68367
    $30.63
  • 25/64 1/2 1 4-1/8 4 Uncoated Center Cutting Call
    A68377
    $26.74
  • 25/64 1/2 1 4-1/8 4 TiN Center Cutting Call
    A68380
    $31.44
  • 25/64 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A68378
    $33.79
  • 25/64 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A68379
    $34.97
  • 13/32 1/2 1 4-1/8 4 Uncoated Non Center Cutting Call
    A67869
    $19.06
  • 13/32 1/2 1 4-1/8 4 TiN Non Center Cutting Call
    A67872
    $23.76
  • 13/32 1/2 1 4-1/8 4 TiCN Non Center Cutting Call
    A67870
    $26.11
  • 13/32 1/2 1 4-1/8 4 TiALN Non Center Cutting Call
    A67871
    $27.29
  • 13/32 1/2 1 4-1/8 4 Uncoated Center Cutting Call
    A67889
    $22.97
  • 13/32 1/2 1 4-1/8 4 TiN Center Cutting Call
    A67892
    $27.68
  • 13/32 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A67890
    $30.04
  • 13/32 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A67891
    $31.21
  • 27/64 1/2 1 4-1/8 4 Uncoated Non Center Cutting Call
    A68417
    $22.41
  • 27/64 1/2 1 4-1/8 4 TiN Non Center Cutting Call
    A68420
    $27.12
  • 27/64 1/2 1 4-1/8 4 TiCN Non Center Cutting Call
    A68418
    $29.47
  • 27/64 1/2 1 4-1/8 4 TiALN Non Center Cutting Call
    A68419
    $30.63
  • 27/64 1/2 1 4-1/8 4 Uncoated Center Cutting Call
    A68437
    $26.74
  • 27/64 1/2 1 4-1/8 4 TiN Center Cutting Call
    A68440
    $31.44
  • 27/64 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A68438
    $33.79
  • 27/64 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A68439
    $34.97
  • 7/16 1/2 1 4-1/8 4 Uncoated Non Center Cutting Call
    A67429
    $16.48
  • 7/16 1/2 1 4-1/8 4 TiN Non Center Cutting Call
    A67432
    $21.19
  • 7/16 1/2 1 4-1/8 4 TiCN Non Center Cutting Call
    A67430
    $23.53
  • 7/16 1/2 1 4-1/8 4 TiALN Non Center Cutting Call
    A67431
    $24.71
  • 7/16 1/2 1 4-1/8 4 Uncoated Center Cutting Call
    A67477
    $21.46
  • 7/16 1/2 1 4-1/8 4 TiN Center Cutting Call
    A67480
    $26.16
  • 7/16 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A67478
    $28.51
  • 7/16 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A67479
    $29.69
  • 29/64 1/2 1 4-1/8 4 Uncoated Non Center Cutting Call
    A68473
    $22.41
  • 29/64 1/2 1 4-1/8 4 TiN Non Center Cutting Call
    A68476
    $27.12
  • 29/64 1/2 1 4-1/8 4 TiCN Non Center Cutting Call
    A68474
    $29.47
  • 29/64 1/2 1 4-1/8 4 TiALN Non Center Cutting Call
    A68475
    $30.63
  • 29/64 1/2 1 4-1/8 4 Uncoated Center Cutting Call
    A68493
    $26.74
  • 29/64 1/2 1 4-1/8 4 TiN Center Cutting Call
    A68496
    $31.44
  • 29/64 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A68494
    $33.79
  • 29/64 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A68495
    $34.97
  • 15/32 1/2 1 4-1/8 4 Uncoated Non Center Cutting Call
    A68017
    $17.82
  • 15/32 1/2 1 4-1/8 4 TiN Non Center Cutting Call
    A68020
    $22.53
  • 15/32 1/2 1 4-1/8 4 TiCN Non Center Cutting Call
    A68018
    $24.87
  • 15/32 1/2 1 4-1/8 4 TiALN Non Center Cutting Call
    A68019
    $26.05
  • 15/32 1/2 1 4-1/8 4 Uncoated Center Cutting Call
    A68029
    $26.74
  • 15/32 1/2 1 4-1/8 4 TiN Center Cutting Call
    A68032
    $31.44
  • 15/32 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A68030
    $33.79
  • 15/32 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A68031
    $34.97
  • 31/64 1/2 1 4-1/8 4 Uncoated Non Center Cutting Call
    A68537
    $23.44
  • 31/64 1/2 1 4-1/8 4 TiN Non Center Cutting Call
    A68540
    $28.15
  • 31/64 1/2 1 4-1/8 4 TiCN Non Center Cutting Call
    A68538
    $30.50
  • 31/64 1/2 1 4-1/8 4 TiALN Non Center Cutting Call
    A68539
    $31.66
  • 31/64 1/2 1 4-1/8 4 Uncoated Center Cutting Call
    A68557
    $26.74
  • 31/64 1/2 1 4-1/8 4 TiN Center Cutting Call
    A68560
    $31.44
  • 31/64 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A68558
    $33.79
  • 31/64 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A68559
    $34.97
  • 1/2 1/2 1 4-1/8 4 Uncoated Non Center Cutting Call
    A63885
    $16.64
  • 1/2 1/2 1 4-1/8 4 TiN Non Center Cutting Call
    A63888
    $21.35
  • 1/2 1/2 1 4-1/8 4 TiCN Non Center Cutting Call
    A63886
    $23.69
  • 1/2 1/2 1 4-1/8 4 TiALN Non Center Cutting Call
    A63887
    $24.87
  • 1/2 1/2 1 4-1/8 4 Uncoated Center Cutting Call
    A63981
    $22.00
  • 1/2 1/2 1 4-1/8 4 TiN Center Cutting Call
    A63984
    $26.71
  • 1/2 1/2 1 4-1/8 4 TiCN Center Cutting Call
    A63982
    $29.05
  • 1/2 1/2 1 4-1/8 4 TiALN Center Cutting Call
    A63983
    $30.22
  • 17/32 5/8 1-3/8 5 4 Uncoated Center Cutting Call
    A68089
    $35.85
  • 17/32 5/8 1-3/8 5 4 TiN Center Cutting Call
    A68092
    $42.69
  • 17/32 5/8 1-3/8 5 4 TiCN Center Cutting Call
    A68090
    $46.10
  • 17/32 5/8 1-3/8 5 4 TiALN Center Cutting Call
    A68091
    $47.81
  • 9/16 5/8 1-3/8 5 4 Uncoated Non Center Cutting Call
    A67541
    $23.69
  • 9/16 5/8 1-3/8 5 4 TiN Non Center Cutting Call
    A67544
    $30.54
  • 9/16 5/8 1-3/8 5 4 TiCN Non Center Cutting Call
    A67542
    $33.94
  • 9/16 5/8 1-3/8 5 4 TiALN Non Center Cutting Call
    A67543
    $35.66
  • 9/16 5/8 1-3/8 5 4 Uncoated Center Cutting Call
    A67581
    $28.84
  • 9/16 5/8 1-3/8 5 4 TiN Center Cutting Call
    A67584
    $35.68
  • 9/16 5/8 1-3/8 5 4 TiCN Center Cutting Call
    A67582
    $39.10
  • 9/16 5/8 1-3/8 5 4 TiALN Center Cutting Call
    A67583
    $40.80
  • 19/32 5/8 1-3/8 5 4 Uncoated Non Center Cutting Call
    A68137
    $31.01
  • 19/32 5/8 1-3/8 5 4 TiN Non Center Cutting Call
    A68140
    $37.84
  • 19/32 5/8 1-3/8 5 4 TiCN Non Center Cutting Call
    A68138
    $41.26
  • 19/32 5/8 1-3/8 5 4 TiALN Non Center Cutting Call
    A68139
    $42.97
  • Total: items /

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