Draper 08912 DBCS Expert Hsse M35 Cobalt Drill Bit, 3.5mm X 70mm (Pack Of 2)

These M35 high speed steel drill bits are manufactured with 5% cobalt for long-lasting performance, abrasion resistance and heat protection.
Fully ground with a 135° split point for precise centring to prevent drill wander.
For optimal results and a longer lifetime, Draper cobalt drill bits work best in conjunction with a cooling agent.
Suitable for use with alloy steel, titanium alloys, stainless steel, hardened steel, cast iron and carbon steel.
Compatible with a standard 10/13mm chuck.