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

Have a question or need help?

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
    M3 X 0.5 0.141 1-15/16 D3 2 High Spiral HSS Uncoated 17
    A55837
    $21.69
  • M3.5 X 0.6 0.141 2 D4 3 High Spiral HSS Uncoated 7
    A55838
    $17.49
  • M4 X 0.7 0.168 2-1/8 D4 3 High Spiral HSS Uncoated 42
    A55839
    $17.49
  • M4.5 X 0.75 0.194 2-3/8 D4 3 High Spiral HSS Uncoated 50
    A55840
    $17.49
  • M5 X 0.8 0.194 2-3/8 D4 3 High Spiral HSS Uncoated 26
    A55841
    $17.49
  • M6 X 1.0 0.255 2-1/2 D5 3 High Spiral HSS Uncoated 12
    A55842
    $19.22
  • M8 X 1.25 0.238 2-23/32 D5 3 High Spiral HSS Uncoated 100
    A55843
    $23.71
  • Total: items /

Adding your products to cart

View Cart Continue Shopping