Axminster Cobalt HSS Drill Bits

400159
Delivery 7-11 working days.
BGN6.00
  • M42 high speed steel
  • 8% cobalt
  • For use on alloy and hardened steels, cast iron, titanium and more
  • Metric only
  • 130 Degrees tip angle
Diameter

Description

Precision ground metric drill bits made from M42 high speed steel bars with 8% cobalt achieving a hardness of some 63.5 - 65 Rockwell. The Cobalt allows the drill bits to hold their hardness at higher temperatures. Intended for use on alloy and hardened steels, cast iron, titanium and many other really tough, hard-to-drill, materials such as stainless steel. Perfect for home and production use. Available in a range of metric sizes. It is advisable to use coolant when appropriate. 130 Degrees tip angle.

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