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
    1/8 3/8 3/16 2-3/4 4 Uncoated Center Cutting Call
    A64889
    $16.93
  • 1/8 3/8 3/16 2-3/4 4 TiN Center Cutting Call
    A64892
    $20.23
  • 1/8 3/8 3/16 2-3/4 4 TiCN Center Cutting Call
    A64890
    $21.89
  • 1/8 3/8 3/16 2-3/4 4 TiALN Center Cutting Call
    A64891
    $22.73
  • 1/8 3/8 3/8 3-1/16 4 Uncoated Center Cutting Call
    A64897
    $18.37
  • 1/8 3/8 3/8 3-1/16 4 TiN Center Cutting Call
    A64900
    $21.69
  • 1/8 3/8 3/8 3-1/16 4 TiCN Center Cutting Call
    A64898
    $23.36
  • 1/8 3/8 3/8 3-1/16 4 TiALN Center Cutting Call
    A64899
    $24.18
  • 9/64 3/8 7/16 3-1/8 4 Uncoated Non Center Cutting Call
    A62121
    $19.74
  • 9/64 3/8 7/16 3-1/8 4 TiN Non Center Cutting Call
    A62124
    $23.08
  • 9/64 3/8 7/16 3-1/8 4 TiCN Non Center Cutting Call
    A62122
    $24.71
  • 9/64 3/8 7/16 3-1/8 4 TiALN Non Center Cutting Call
    A62123
    $25.54
  • 9/64 3/8 7/16 3-1/8 4 Uncoated Center Cutting Call
    A62157
    $23.17
  • 9/64 3/8 7/16 3-1/8 4 TiN Center Cutting Call
    A62160
    $26.49
  • 9/64 3/8 7/16 3-1/8 4 TiCN Center Cutting Call
    A62158
    $28.13
  • 9/64 3/8 7/16 3-1/8 4 TiALN Center Cutting Call
    A62159
    $28.97
  • 5/32 3/8 15/64 2-3/4 4 Uncoated Center Cutting Call
    A61785
    $16.93
  • 5/32 3/8 15/64 2-3/4 4 TiN Center Cutting Call
    A61788
    $20.23
  • 5/32 3/8 15/64 2-3/4 4 TiCN Center Cutting Call
    A61786
    $21.89
  • 5/32 3/8 15/64 2-3/4 4 TiALN Center Cutting Call
    A61787
    $22.73
  • 5/32 3/8 7/16 3-1/8 4 Uncoated Center Cutting Call
    A61789
    $19.72
  • 5/32 3/8 7/16 3-1/8 4 TiN Center Cutting Call
    A61792
    $23.02
  • 5/32 3/8 7/16 3-1/8 4 TiCN Center Cutting Call
    A61790
    $24.70
  • 5/32 3/8 7/16 3-1/8 4 TiALN Center Cutting Call
    A61791
    $25.51
  • 11/64 3/8 1/2 3-1/4 4 Uncoated Non Center Cutting Call
    A62169
    $19.74
  • 11/64 3/8 1/2 3-1/4 4 TiN Non Center Cutting Call
    A62172
    $23.08
  • 11/64 3/8 1/2 3-1/4 4 TiCN Non Center Cutting Call
    A62170
    $24.71
  • 11/64 3/8 1/2 3-1/4 4 TiALN Non Center Cutting Call
    A62171
    $25.54
  • 11/64 3/8 1/2 3-1/4 4 Uncoated Center Cutting Call
    A62205
    $23.17
  • 11/64 3/8 1/2 3-1/4 4 TiN Center Cutting Call
    A62208
    $26.49
  • 11/64 3/8 1/2 3-1/4 4 TiCN Center Cutting Call
    A62206
    $28.13
  • 11/64 3/8 1/2 3-1/4 4 TiALN Center Cutting Call
    A62207
    $28.97
  • 3/16 3/8 9/32 2-3/4 4 Uncoated Center Cutting Call
    A66316
    $16.93
  • 3/16 3/8 9/32 2-3/4 4 TiN Center Cutting Call
    A66319
    $20.23
  • 3/16 3/8 9/32 2-3/4 4 TiCN Center Cutting Call
    A66317
    $21.89
  • 3/16 3/8 9/32 2-3/4 4 TiALN Center Cutting Call
    A66318
    $22.73
  • 3/16 3/8 1/2 3-1/4 4 Uncoated Center Cutting Call
    A66324
    $18.37
  • 3/16 3/8 1/2 3-1/4 4 TiN Center Cutting Call
    A66327
    $21.69
  • 3/16 3/8 1/2 3-1/4 4 TiCN Center Cutting Call
    A66325
    $23.36
  • 3/16 3/8 1/2 3-1/4 4 TiALN Center Cutting Call
    A66326
    $24.18
  • 13/64 3/8 9/16 3-1/4 4 Uncoated Non Center Cutting Call
    A67901
    $19.74
  • 13/64 3/8 9/16 3-1/4 4 TiN Non Center Cutting Call
    A67904
    $23.08
  • 13/64 3/8 9/16 3-1/4 4 TiCN Non Center Cutting Call
    A67902
    $24.71
  • 13/64 3/8 9/16 3-1/4 4 TiALN Non Center Cutting Call
    A67903
    $25.54
  • 13/64 3/8 9/16 3-1/4 4 Uncoated Center Cutting Call
    A67913
    $23.17
  • 13/64 3/8 9/16 3-1/4 4 TiN Center Cutting Call
    A67916
    $26.49
  • 13/64 3/8 9/16 3-1/4 4 TiCN Center Cutting Call
    A67914
    $28.13
  • 13/64 3/8 9/16 3-1/4 4 TiALN Center Cutting Call
    A67915
    $28.97
  • 7/32 3/8 21/64 2-7/8 4 Uncoated Center Cutting Call
    A61849
    $16.93
  • 7/32 3/8 21/64 2-7/8 4 TiN Center Cutting Call
    A61852
    $20.23
  • 7/32 3/8 21/64 2-7/8 4 TiCN Center Cutting Call
    A61850
    $21.89
  • 7/32 3/8 21/64 2-7/8 4 TiALN Center Cutting Call
    A61851
    $22.73
  • 7/32 3/8 9/16 3-1/4 4 Uncoated Center Cutting Call
    A61853
    $19.72
  • 7/32 3/8 9/16 3-1/4 4 TiN Center Cutting Call
    A61856
    $23.02
  • 7/32 3/8 9/16 3-1/4 4 TiCN Center Cutting Call
    A61854
    $24.70
  • 7/32 3/8 9/16 3-1/4 4 TiALN Center Cutting Call
    A61855
    $25.51
  • 15/64 3/8 5/8 3-3/8 4 Uncoated Non Center Cutting Call
    A68041
    $19.74
  • 15/64 3/8 5/8 3-3/8 4 TiN Non Center Cutting Call
    A68044
    $23.08
  • 15/64 3/8 5/8 3-3/8 4 TiCN Non Center Cutting Call
    A68042
    $24.71
  • 15/64 3/8 5/8 3-3/8 4 TiALN Non Center Cutting Call
    A68043
    $25.54
  • 15/64 3/8 5/8 3-3/8 4 Uncoated Center Cutting Call
    A68053
    $23.17
  • 15/64 3/8 5/8 3-3/8 4 TiN Center Cutting Call
    A68056
    $26.49
  • 15/64 3/8 5/8 3-3/8 4 TiCN Center Cutting Call
    A68054
    $28.13
  • 15/64 3/8 5/8 3-3/8 4 TiALN Center Cutting Call
    A68055
    $28.97
  • 1/4 3/8 3/8 2-7/8 4 Uncoated Center Cutting Call
    A64437
    $16.93
  • 1/4 3/8 3/8 2-7/8 4 TiN Center Cutting Call
    A64440
    $20.23
  • 1/4 3/8 3/8 2-7/8 4 TiCN Center Cutting Call
    A64438
    $21.89
  • 1/4 3/8 3/8 2-7/8 4 TiALN Center Cutting Call
    A64439
    $22.73
  • 1/4 3/8 5/8 3-3/8 4 Uncoated Center Cutting Call
    A64453
    $18.37
  • 1/4 3/8 5/8 3-3/8 4 TiN Center Cutting Call
    A64456
    $21.69
  • 1/4 3/8 5/8 3-3/8 4 TiCN Center Cutting Call
    A64454
    $23.36
  • 1/4 3/8 5/8 3-3/8 4 TiALN Center Cutting Call
    A64455
    $24.18
  • 17/64 3/8 11/16 3-3/8 4 Uncoated Non Center Cutting Call
    A68101
    $19.74
  • 17/64 3/8 11/16 3-3/8 4 TiN Non Center Cutting Call
    A68104
    $23.08
  • 17/64 3/8 11/16 3-3/8 4 TiCN Non Center Cutting Call
    A68102
    $24.71
  • 17/64 3/8 11/16 3-3/8 4 TiALN Non Center Cutting Call
    A68103
    $25.54
  • 17/64 3/8 11/16 3-3/8 4 Uncoated Center Cutting Call
    A68113
    $23.17
  • 17/64 3/8 11/16 3-3/8 4 TiN Center Cutting Call
    A68116
    $26.49
  • 17/64 3/8 11/16 3-3/8 4 TiCN Center Cutting Call
    A68114
    $28.13
  • 17/64 3/8 11/16 3-3/8 4 TiALN Center Cutting Call
    A68115
    $28.97
  • 9/32 3/8 11/16 3-3/8 4 Uncoated Center Cutting Call
    A61905
    $19.72
  • 9/32 3/8 11/16 3-3/8 4 TiN Center Cutting Call
    A61908
    $23.02
  • 9/32 3/8 11/16 3-3/8 4 TiCN Center Cutting Call
    A61906
    $24.70
  • 9/32 3/8 11/16 3-3/8 4 TiALN Center Cutting Call
    A61907
    $25.51
  • 19/64 3/8 3/4 3-1/2 4 Uncoated Non Center Cutting Call
    A68165
    $19.74
  • 19/64 3/8 3/4 3-1/2 4 TiN Non Center Cutting Call
    A68168
    $23.08
  • 19/64 3/8 3/4 3-1/2 4 TiCN Non Center Cutting Call
    A68166
    $24.71
  • 19/64 3/8 3/4 3-1/2 4 TiALN Non Center Cutting Call
    A68167
    $25.54
  • 19/64 3/8 3/4 3-1/2 4 Uncoated Center Cutting Call
    A68177
    $23.17
  • 19/64 3/8 3/4 3-1/2 4 TiN Center Cutting Call
    A68180
    $26.49
  • 19/64 3/8 3/4 3-1/2 4 TiCN Center Cutting Call
    A68178
    $28.13
  • 19/64 3/8 3/4 3-1/2 4 TiALN Center Cutting Call
    A68179
    $28.97
  • 5/16 3/8 3/4 3-1/2 4 Uncoated Center Cutting Call
    A67003
    $18.37
  • 5/16 3/8 3/4 3-1/2 4 TiN Center Cutting Call
    A67006
    $21.69
  • 5/16 3/8 3/4 3-1/2 4 TiCN Center Cutting Call
    A67004
    $23.36
  • 5/16 3/8 3/4 3-1/2 4 TiALN Center Cutting Call
    A67005
    $24.18
  • 21/64 3/8 3/4 3-1/2 4 Uncoated Non Center Cutting Call
    A68233
    $19.74
  • 21/64 3/8 3/4 3-1/2 4 TiN Non Center Cutting Call
    A68236
    $23.08
  • 21/64 3/8 3/4 3-1/2 4 TiCN Non Center Cutting Call
    A68234
    $24.71
  • 21/64 3/8 3/4 3-1/2 4 TiALN Non Center Cutting Call
    A68235
    $25.54
  • Total: items /

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