Spiral Flute - Semi Bottoming

Spiral Flute - Semi Bottoming

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

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

  • 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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Call Customer Service at 908-98-ATLAS or email: Sales@atlascuttingtools.com
  • Size Shank Diameter Overall Length H Limit D Limit NC / NF Square Size Square Length Thread Length Number of Lube Grooves Number of Flutes Style Material Coating In Stock Sku Price Quantity
    9/16-12 0.429 3-19/32 H3 4 High Spiral HSS Uncoated 29
    A55831
    $79.29
  • 9/16-18 0.429 3-19/32 H3 4 High Spiral HSS Uncoated 17
    A55832
    $79.29
  • Total: items /

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