19/64 x 6" Cobalt Aircraft Extension Drill Bit 1 pack and other hard metals

and other hard metals

Their high red hardness allows for speeds up to 30% greater than conventional M2 high-speed steel and the 135° split point tip ensures fast and precise drilling

and bronze

COHEX Series - HSS Quick-Change Hex Shank Drill Bits

this M35 cobalt drill bit (5% cobalt) is designed to power through high-tensile materials like stainless steel

19/64 x 6" Cobalt Aircraft Extension Drill Bit 1 pack and other hard metalsDescription The M35 Cobalt Drill Bit is an extra long drill bit designed for drilling tough materials like stainless steel, Inconel, and titanium. It has a 135 split point tip for fast and accurate drilling and is manufactured to Aerospace Standard 907 for superior quality. The drill bit has a round shank that works with a wide range of tool holding systems. It displays high red hardness, allowing for speeds up to 30% faster than conventional M2 high