Spiral Flute - Semi Bottoming

Spiral Flute - Semi Bottoming

Atlas High Speed Steel (HSS) Spiral Flute - Semi Bottoming - Metric

General Purpose - Spiral Flute - Semi Bottoming - High Speed Steel - Metric

  • Optimized for relatively deep hole tapping in copper, brass, aluminum, and other soft ductile materials
  • ZrN coating offers increased speed rates and prolonged tool life
  • 52° Helix
  • Slightly longer chamfer distributes cutting over greater number of teeth for increased production
  • Can be used for plug or bottoming applications
  • Made in the USA

Speeds and Feed Info

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  • Size OAL D Limit # of Flutes Coating In Stock Sku Price Quantity
    M3 X 0.5 1-15/16 D3 2 Uncoated 34
    A55837
    $16.53
  • M3.5 X 0.6 2 D4 3 Uncoated 21
    A55838
    $13.42
  • M4 X 0.7 2-1/8 D4 3 Uncoated 100
    A55839
    $13.42
  • M4.5 X 0.75 2-3/8 D4 3 Uncoated 66
    A55840
    $13.42
  • M5 X 0.8 2-3/8 D4 3 Uncoated 18
    A55841
    $13.42
  • M6 X 1.0 2-1/2 D5 3 Uncoated 67
    A55842
    $14.66
  • M8 X 1.25 2-23/32 D5 3 Uncoated 100
    A55843
    $18.11
  • M10 X 1.5 2-15/16 D6 3 Uncoated 41
    A55844
    $31.28
  • M12 X 1.75 3-3/8 D6 3 Uncoated 43
    A55845
    $37.43
  • Total: items /

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