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. Sizes 1.0-10.0. Supplied in a plastic case. 19 x HSSE M35 Cobalt Drill Bits - 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10.0mm
