Fractional Size

Fractional Size

Atlas Cutting Tools stocks USA precision Solid Carbide End Mills. Buy with confidence and at competitive prices along with same day shipping.

Atlas Solid Carbide 4 Flute End Mill

Solid Carbide End Mill - 4 Flute - 30° Helix - 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. 

Speeds and Feed Info

Have a question or need help?

Call Customer Service at 908-98-ATLAS or email: Sales@atlascuttingtools.com
  • 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 Sku Price Quantity
    3/8 3/8 1-3/4 4 30° 4 TiCN 26
    A50928
    $48.70
  • 3/8 3/8 1-1/2 6 30° 4 TiCN 17
    A50929
    $70.84
  • 3/8 3/8 1-3/4 4 30° 4 ALTiN 100
    A48760
    $50.84
  • 3/8 3/8 1-1/2 6 30° 4 ALTiN 85
    A48761
    $73.31
  • 3/8 3/8 4 7 30° 4 Uncoated Call
    A69553
    $55.54
  • 3/8 3/8 4 7 30° 4 ALTiN Call
    A69537
    $68.07
  • 25/64 7/16 1 2-3/4 30° 4 Uncoated 100
    A48130
    $41.65
  • 25/64 7/16 1 2-1/2 30° 4 TiN Call
    A70481
    $33.09
  • 25/64 7/16 1 2-3/4 30° 4 TiCN 16
    A50764
    $50.92
  • 25/64 7/16 1 2-3/4 30° 4 ALTiN 15
    A50989
    $53.23
  • 13/32 7/16 1 2-3/4 30° 4 Uncoated 50
    A48131
    $41.65
  • 13/32 7/16 1 2-1/2 30° 4 TiN Call
    A70482
    $32.55
  • 13/32 7/16 1 2-3/4 30° 4 TiCN 21
    A50765
    $50.92
  • 13/32 7/16 1 2-3/4 30° 4 ALTiN 45
    A50990
    $53.23
  • 27/64 7/16 1 2-3/4 30° 4 Uncoated 20
    A48132
    $42.88
  • 27/64 7/16 1 2-1/2 30° 4 TiN Call
    A70483
    $31.50
  • 27/64 7/16 1 2-3/4 30° 4 TiCN 9
    A50766
    $52.16
  • 27/64 7/16 1 2-3/4 30° 4 ALTiN 17
    A50991
    $54.51
  • 7/16 7/16 5/8 2-1/2 30° 4 Uncoated 40
    A48156
    $31.46
  • 7/16 7/16 5/8 2-1/2 30° 4 TiN Call
    A70549
    $25.74
  • 7/16 7/16 5/8 2-1/2 30° 4 TiCN Call
    A70533
    $28.45
  • 7/16 7/16 5/8 2-1/2 30° 4 ALTiN 117
    A48186
    $40.45
  • 7/16 7/16 1 2-3/4 30° 4 Uncoated 100
    A48133
    $37.32
  • 7/16 7/16 1 2-1/2 30° 4 TiN Call
    A70484
    $31.50
  • 7/16 7/16 1 2-3/4 30° 4 TiCN 21
    A50767
    $46.59
  • 7/16 7/16 1 2-3/4 30° 4 ALTiN 100
    A50992
    $47.79
  • 7/16 7/16 2 4 30° 4 Uncoated 100
    A48634
    $51.87
  • 7/16 7/16 2 4 30° 4 TiN Call
    A70336
    $46.67
  • 7/16 7/16 2 4 30° 4 TiCN 12
    A50874
    $61.73
  • 7/16 7/16 2 4 30° 4 ALTiN 15
    A48648
    $64.16
  • 7/16 7/16 3 6 30° 4 Uncoated 53
    A48746
    $82.01
  • 7/16 7/16 3 6 30° 4 ALTiN 9
    A48762
    $96.40
  • 7/16 7/16 3 6 30° 4 Uncoated Call
    A69554
    $67.54
  • 7/16 7/16 3 6 30° 4 ALTiN Call
    A69538
    $77.63
  • 29/64 1/2 1 3 30° 4 Uncoated 16
    A48134
    $67.13
  • 29/64 1/2 1 3 30° 4 TiN Call
    A70485
    $35.68
  • 29/64 1/2 1 3 30° 4 TiCN 6
    A50768
    $59.13
  • 29/64 1/2 1 3 30° 4 ALTiN 12
    A50993
    $81.81
  • 15/32 1/2 1 3 30° 4 Uncoated 23
    A48135
    $67.13
  • 15/32 1/2 1 3 30° 4 TiN Call
    A70486
    $35.59
  • 15/32 1/2 1 3 30° 4 TiCN 6
    A50769
    $59.13
  • 15/32 1/2 1 3 30° 4 ALTiN 21
    A50994
    $81.81
  • 31/64 1/2 1 3 30° 4 Uncoated 100
    A48136
    $67.13
  • 31/64 1/2 1 3 30° 4 TiN Call
    A70487
    $34.72
  • 31/64 1/2 1 3 30° 4 TiCN 21
    A50770
    $78.80
  • 31/64 1/2 1 3 30° 4 ALTiN 6
    A50995
    $81.81
  • 1/2 1/2 5/8 2-1/2 30° 4 Uncoated 339
    A48157
    $40.58
  • 1/2 1/2 5/8 2-1/2 30° 4 TiN Call
    A70550
    $30.45
  • 1/2 1/2 5/8 2-1/2 30° 4 TiCN Call
    A70534
    $33.28
  • 1/2 1/2 5/8 2-1/2 30° 4 ALTiN 629
    A48187
    $55.25
  • 1/2 1/2 1 3 30° 4 Uncoated 100
    A48137
    $45.89
  • 1/2 1/2 1-1/4 3 30° 4 Uncoated 100
    A48138
    $45.89
  • 1/2 1/2 1 3 30° 4 TiN Call
    A70488
    $31.71
  • 1/2 1/2 1 3 30° 4 TiCN 100
    A50771
    $57.60
  • 1/2 1/2 1-1/4 3 30° 4 TiCN 83
    A50772
    $57.60
  • 1/2 1/2 1 3 30° 4 ALTiN 100
    A50996
    $60.57
  • 1/2 1/2 1-1/4 3 30° 4 ALTiN 100
    A50997
    $60.57
  • 1/2 1/2 1 4 30° 4 Uncoated 100
    A48635
    $58.88
  • 1/2 1/2 2 4 30° 4 Uncoated 100
    A48636
    $62.34
  • 1/2 1/2 1-1/2 4 30° 4 TiN Call
    A70337
    $48.99
  • 1/2 1/2 2 4 30° 4 TiN Call
    A70338
    $51.15
  • 1/2 1/2 1 4 30° 4 TiCN 48
    A50875
    $71.46
  • 1/2 1/2 2 4 30° 4 TiCN 29
    A50876
    $74.92
  • 1/2 1/2 1 4 30° 4 ALTiN 82
    A48649
    $74.63
  • 1/2 1/2 2 4 30° 4 ALTiN 100
    A48650
    $78.09
  • 1/2 1/2 1-1/2 6 30° 4 Uncoated 45
    A48747
    $94.09
  • 1/2 1/2 3 6 30° 4 Uncoated 100
    A48748
    $99.20
  • 1/2 1/2 3 6 30° 4 TiN Call
    A70324
    $78.95
  • 1/2 1/2 1-1/2 6 30° 4 TiN Call
    A70325
    $70.55
  • 1/2 1/2 1-1/2 6 30° 4 TiCN 10
    A50931
    $108.69
  • 1/2 1/2 3 6 30° 4 TiCN 39
    A50932
    $113.84
  • 1/2 1/2 1-1/2 6 30° 4 ALTiN 100
    A48763
    $112.40
  • 1/2 1/2 3 6 30° 4 ALTiN 100
    A48764
    $117.51
  • 1/2 1/2 4 7 30° 4 Uncoated Call
    A69555
    $81.81
  • 1/2 1/2 5 8 30° 4 Uncoated Call
    A69556
    $95.81
  • 1/2 1/2 4 7 30° 4 ALTiN Call
    A69539
    $93.64
  • 1/2 1/2 5 8 30° 4 ALTiN Call
    A69540
    $120.01
  • 33/64 9/16 1-1/4 3-1/2 30° 4 TiN Call
    A70489
    $78.17
  • 17/32 9/16 1-1/4 3-1/2 30° 4 TiN Call
    A70490
    $76.37
  • 35/64 9/16 1-1/4 3-1/2 30° 4 TiN Call
    A70491
    $87.76
  • 9/16 9/16 1-1/4 3-1/2 30° 4 Uncoated 81
    A48139
    $86.38
  • 9/16 9/16 1-1/4 3-1/2 30° 4 TiN Call
    A70492
    $61.23
  • 9/16 9/16 1-1/4 3-1/2 30° 4 TiCN 17
    A50773
    $100.94
  • 9/16 9/16 1-1/4 3-1/2 30° 4 ALTiN 44
    A50998
    $104.56
  • 37/64 5/8 1-1/4 3-1/2 30° 4 TiN Call
    A70493
    $75.60
  • 19/32 5/8 1-1/4 3-1/2 30° 4 TiN Call
    A70494
    $73.90
  • 39/64 5/8 1-1/4 3-1/2 30° 4 TiN Call
    A70495
    $71.74
  • 5/8 5/8 3/4 3 30° 4 Uncoated 137
    A48158
    $89.31
  • 5/8 5/8 3/4 3 30° 4 TiN Call
    A70551
    $58.80
  • 5/8 5/8 3/4 3 30° 4 TiCN Call
    A70535
    $63.52
  • 5/8 5/8 3/4 3 30° 4 ALTiN 72
    A48188
    $107.04
  • 5/8 5/8 1-1/4 3-1/2 30° 4 Uncoated 100
    A48140
    $91.29
  • 5/8 5/8 1-1/4 3-1/2 30° 4 TiN Call
    A70496
    $60.48
  • 5/8 5/8 1-1/4 3-1/2 30° 4 TiCN 16
    A50774
    $106.50
  • 5/8 5/8 1-1/4 3-1/2 30° 4 ALTiN 100
    A50999
    $110.21
  • 5/8 5/8 2-1/4 5 30° 4 Uncoated 100
    A48637
    $140.15
  • 5/8 5/8 2-1/4 5 30° 4 TiN Call
    A70339
    $91.14
  • 5/8 5/8 2-1/4 5 30° 4 TiCN 24
    A50877
    $156.43
  • 5/8 5/8 2-1/4 5 30° 4 ALTiN 60
    A48651
    $160.55
  • 5/8 5/8 3 6 30° 4 Uncoated 77
    A48749
    $151.24
  • Total: items /

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