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
    A64889 HTC Tool 1/8 3/8 3/16 2-3/4 30° 4 Uncoated Available to Order*
    $16.93
  • A64892 HTC Tool 1/8 3/8 3/16 2-3/4 30° 4 TiN Available to Order*
    $20.23
  • A64890 HTC Tool 1/8 3/8 3/16 2-3/4 30° 4 TiCN Available to Order*
    $21.89
  • A64891 HTC Tool 1/8 3/8 3/16 2-3/4 30° 4 TiALN Available to Order*
    $22.73
  • A64897 HTC Tool 1/8 3/8 3/8 3-1/16 30° 4 Uncoated Available to Order*
    $18.37
  • A64900 HTC Tool 1/8 3/8 3/8 3-1/16 30° 4 TiN Available to Order*
    $21.69
  • A64898 HTC Tool 1/8 3/8 3/8 3-1/16 30° 4 TiCN Available to Order*
    $23.36
  • A64899 HTC Tool 1/8 3/8 3/8 3-1/16 30° 4 TiALN Available to Order*
    $24.18
  • A62121 HTC Tool 9/64 3/8 7/16 3-1/8 30° 4 Uncoated Available to Order*
    $19.74
  • A62124 HTC Tool 9/64 3/8 7/16 3-1/8 30° 4 TiN Available to Order*
    $23.08
  • A62122 HTC Tool 9/64 3/8 7/16 3-1/8 30° 4 TiCN Available to Order*
    $24.71
  • A62123 HTC Tool 9/64 3/8 7/16 3-1/8 30° 4 TiALN Available to Order*
    $25.54
  • A62157 HTC Tool 9/64 3/8 7/16 3-1/8 30° 4 Uncoated Available to Order*
    $23.17
  • A62160 HTC Tool 9/64 3/8 7/16 3-1/8 30° 4 TiN Available to Order*
    $26.49
  • A62158 HTC Tool 9/64 3/8 7/16 3-1/8 30° 4 TiCN Available to Order*
    $28.13
  • A62159 HTC Tool 9/64 3/8 7/16 3-1/8 30° 4 TiALN Available to Order*
    $28.97
  • A61785 HTC Tool 5/32 3/8 15/64 2-3/4 30° 4 Uncoated Available to Order*
    $16.93
  • A61788 HTC Tool 5/32 3/8 15/64 2-3/4 30° 4 TiN Available to Order*
    $20.23
  • A61786 HTC Tool 5/32 3/8 15/64 2-3/4 30° 4 TiCN Available to Order*
    $21.89
  • A61787 HTC Tool 5/32 3/8 15/64 2-3/4 30° 4 TiALN Available to Order*
    $22.73
  • A61789 HTC Tool 5/32 3/8 7/16 3-1/8 30° 4 Uncoated Available to Order*
    $19.72
  • A61792 HTC Tool 5/32 3/8 7/16 3-1/8 30° 4 TiN Available to Order*
    $23.02
  • A61790 HTC Tool 5/32 3/8 7/16 3-1/8 30° 4 TiCN Available to Order*
    $24.70
  • A61791 HTC Tool 5/32 3/8 7/16 3-1/8 30° 4 TiALN Available to Order*
    $25.51
  • A62169 HTC Tool 11/64 3/8 1/2 3-1/4 30° 4 Uncoated Available to Order*
    $19.74
  • A62172 HTC Tool 11/64 3/8 1/2 3-1/4 30° 4 TiN Available to Order*
    $23.08
  • A62170 HTC Tool 11/64 3/8 1/2 3-1/4 30° 4 TiCN Available to Order*
    $24.71
  • A62171 HTC Tool 11/64 3/8 1/2 3-1/4 30° 4 TiALN Available to Order*
    $25.54
  • A62205 HTC Tool 11/64 3/8 1/2 3-1/4 30° 4 Uncoated Available to Order*
    $23.17
  • A62208 HTC Tool 11/64 3/8 1/2 3-1/4 30° 4 TiN Available to Order*
    $26.49
  • A62206 HTC Tool 11/64 3/8 1/2 3-1/4 30° 4 TiCN Available to Order*
    $28.13
  • A62207 HTC Tool 11/64 3/8 1/2 3-1/4 30° 4 TiALN Available to Order*
    $28.97
  • A66316 HTC Tool 3/16 3/8 9/32 2-3/4 30° 4 Uncoated Available to Order*
    $16.93
  • A66319 HTC Tool 3/16 3/8 9/32 2-3/4 30° 4 TiN Available to Order*
    $20.23
  • A66317 HTC Tool 3/16 3/8 9/32 2-3/4 30° 4 TiCN Available to Order*
    $21.89
  • A66318 HTC Tool 3/16 3/8 9/32 2-3/4 30° 4 TiALN Available to Order*
    $22.73
  • A66324 HTC Tool 3/16 3/8 1/2 3-1/4 30° 4 Uncoated Available to Order*
    $18.37
  • A66327 HTC Tool 3/16 3/8 1/2 3-1/4 30° 4 TiN Available to Order*
    $21.69
  • A66325 HTC Tool 3/16 3/8 1/2 3-1/4 30° 4 TiCN Available to Order*
    $23.36
  • A66326 HTC Tool 3/16 3/8 1/2 3-1/4 30° 4 TiALN Available to Order*
    $24.18
  • A67901 HTC Tool 13/64 3/8 9/16 3-1/4 30° 4 Uncoated Available to Order*
    $19.74
  • A67904 HTC Tool 13/64 3/8 9/16 3-1/4 30° 4 TiN Available to Order*
    $23.08
  • A67902 HTC Tool 13/64 3/8 9/16 3-1/4 30° 4 TiCN Available to Order*
    $24.71
  • A67903 HTC Tool 13/64 3/8 9/16 3-1/4 30° 4 TiALN Available to Order*
    $25.54
  • A67913 HTC Tool 13/64 3/8 9/16 3-1/4 30° 4 Uncoated Available to Order*
    $23.17
  • A67916 HTC Tool 13/64 3/8 9/16 3-1/4 30° 4 TiN Available to Order*
    $26.49
  • A67914 HTC Tool 13/64 3/8 9/16 3-1/4 30° 4 TiCN Available to Order*
    $28.13
  • A67915 HTC Tool 13/64 3/8 9/16 3-1/4 30° 4 TiALN Available to Order*
    $28.97
  • A61849 HTC Tool 7/32 3/8 21/64 2-7/8 30° 4 Uncoated Available to Order*
    $16.93
  • A61852 HTC Tool 7/32 3/8 21/64 2-7/8 30° 4 TiN Available to Order*
    $20.23
  • A61850 HTC Tool 7/32 3/8 21/64 2-7/8 30° 4 TiCN Available to Order*
    $21.89
  • A61851 HTC Tool 7/32 3/8 21/64 2-7/8 30° 4 TiALN Available to Order*
    $22.73
  • A61853 HTC Tool 7/32 3/8 9/16 3-1/4 30° 4 Uncoated Available to Order*
    $19.72
  • A61856 HTC Tool 7/32 3/8 9/16 3-1/4 30° 4 TiN Available to Order*
    $23.02
  • A61854 HTC Tool 7/32 3/8 9/16 3-1/4 30° 4 TiCN Available to Order*
    $24.70
  • A61855 HTC Tool 7/32 3/8 9/16 3-1/4 30° 4 TiALN Available to Order*
    $25.51
  • A68041 HTC Tool 15/64 3/8 5/8 3-3/8 30° 4 Uncoated Available to Order*
    $19.74
  • A68044 HTC Tool 15/64 3/8 5/8 3-3/8 30° 4 TiN Available to Order*
    $23.08
  • A68042 HTC Tool 15/64 3/8 5/8 3-3/8 30° 4 TiCN Available to Order*
    $24.71
  • A68043 HTC Tool 15/64 3/8 5/8 3-3/8 30° 4 TiALN Available to Order*
    $25.54
  • A68053 HTC Tool 15/64 3/8 5/8 3-3/8 30° 4 Uncoated Available to Order*
    $23.17
  • A68056 HTC Tool 15/64 3/8 5/8 3-3/8 30° 4 TiN Available to Order*
    $26.49
  • A68054 HTC Tool 15/64 3/8 5/8 3-3/8 30° 4 TiCN Available to Order*
    $28.13
  • A68055 HTC Tool 15/64 3/8 5/8 3-3/8 30° 4 TiALN Available to Order*
    $28.97
  • A64437 HTC Tool 1/4 3/8 3/8 2-7/8 30° 4 Uncoated Available to Order*
    $16.93
  • A64440 HTC Tool 1/4 3/8 3/8 2-7/8 30° 4 TiN Available to Order*
    $20.23
  • A64438 HTC Tool 1/4 3/8 3/8 2-7/8 30° 4 TiCN Available to Order*
    $21.89
  • A64439 HTC Tool 1/4 3/8 3/8 2-7/8 30° 4 TiALN Available to Order*
    $22.73
  • A64453 HTC Tool 1/4 3/8 5/8 3-3/8 30° 4 Uncoated Available to Order*
    $18.37
  • A64456 HTC Tool 1/4 3/8 5/8 3-3/8 30° 4 TiN Available to Order*
    $21.69
  • A64454 HTC Tool 1/4 3/8 5/8 3-3/8 30° 4 TiCN Available to Order*
    $23.36
  • A64455 HTC Tool 1/4 3/8 5/8 3-3/8 30° 4 TiALN Available to Order*
    $24.18
  • A68101 HTC Tool 17/64 3/8 11/16 3-3/8 30° 4 Uncoated Available to Order*
    $19.74
  • A68104 HTC Tool 17/64 3/8 11/16 3-3/8 30° 4 TiN Available to Order*
    $23.08
  • A68102 HTC Tool 17/64 3/8 11/16 3-3/8 30° 4 TiCN Available to Order*
    $24.71
  • A68103 HTC Tool 17/64 3/8 11/16 3-3/8 30° 4 TiALN Available to Order*
    $25.54
  • A68113 HTC Tool 17/64 3/8 11/16 3-3/8 30° 4 Uncoated Available to Order*
    $23.17
  • A68116 HTC Tool 17/64 3/8 11/16 3-3/8 30° 4 TiN Available to Order*
    $26.49
  • A68114 HTC Tool 17/64 3/8 11/16 3-3/8 30° 4 TiCN Available to Order*
    $28.13
  • A68115 HTC Tool 17/64 3/8 11/16 3-3/8 30° 4 TiALN Available to Order*
    $28.97
  • A61905 HTC Tool 9/32 3/8 11/16 3-3/8 30° 4 Uncoated Available to Order*
    $19.72
  • A61908 HTC Tool 9/32 3/8 11/16 3-3/8 30° 4 TiN Available to Order*
    $23.02
  • A61906 HTC Tool 9/32 3/8 11/16 3-3/8 30° 4 TiCN Available to Order*
    $24.70
  • A61907 HTC Tool 9/32 3/8 11/16 3-3/8 30° 4 TiALN Available to Order*
    $25.51
  • A68165 HTC Tool 19/64 3/8 3/4 3-1/2 30° 4 Uncoated Available to Order*
    $19.74
  • A68168 HTC Tool 19/64 3/8 3/4 3-1/2 30° 4 TiN Available to Order*
    $23.08
  • A68166 HTC Tool 19/64 3/8 3/4 3-1/2 30° 4 TiCN Available to Order*
    $24.71
  • A68167 HTC Tool 19/64 3/8 3/4 3-1/2 30° 4 TiALN Available to Order*
    $25.54
  • A68177 HTC Tool 19/64 3/8 3/4 3-1/2 30° 4 Uncoated Available to Order*
    $23.17
  • A68180 HTC Tool 19/64 3/8 3/4 3-1/2 30° 4 TiN Available to Order*
    $26.49
  • A68178 HTC Tool 19/64 3/8 3/4 3-1/2 30° 4 TiCN Available to Order*
    $28.13
  • A68179 HTC Tool 19/64 3/8 3/4 3-1/2 30° 4 TiALN Available to Order*
    $28.97
  • A67003 HTC Tool 5/16 3/8 3/4 3-1/2 30° 4 Uncoated Available to Order*
    $18.37
  • A67006 HTC Tool 5/16 3/8 3/4 3-1/2 30° 4 TiN Available to Order*
    $21.69
  • A67004 HTC Tool 5/16 3/8 3/4 3-1/2 30° 4 TiCN Available to Order*
    $23.36
  • A67005 HTC Tool 5/16 3/8 3/4 3-1/2 30° 4 TiALN Available to Order*
    $24.18
  • A68233 HTC Tool 21/64 3/8 3/4 3-1/2 30° 4 Uncoated Available to Order*
    $19.74
  • A68236 HTC Tool 21/64 3/8 3/4 3-1/2 30° 4 TiN Available to Order*
    $23.08
  • A68234 HTC Tool 21/64 3/8 3/4 3-1/2 30° 4 TiCN Available to Order*
    $24.71
  • A68235 HTC Tool 21/64 3/8 3/4 3-1/2 30° 4 TiALN Available to Order*
    $25.54

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

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