Bosch PRO HSS-Co Cobalt Drill Bit

This Bosch PRO HSS-Co Cobalt Drill Bit is a 9mm diameter bit, supplied in a pack of 5 — a practical larger size for drilling stainless steel, alloyed steels, cast iron, and acid- and heat-resistant steels. The five-pack is well suited to professional use at this diameter. Fully ground HSS blended with 5% cobalt provides excellent wear and heat resistance. The centring tip ensures accurate, no-wander hole starts for consistent, clean performance throughout. Features and Benefits: • 5% cobalt HSS for superior heat and wear resistance • Centring tip for accurate, no-wander hol