Bosch PRO HSS-Co Cobalt Drill Bit

This Bosch PRO HSS-Co Cobalt Drill Bit is a 4mm diameter bit, supplied in a pack of 10 — a go-to size for a wide range of metal drilling tasks, including stainless steel, cast iron, and alloyed steels. The pack of 10 offers excellent value for high-frequency use. Fully ground HSS with 5% cobalt ensures exceptional wear and heat resistance. The centring tip provides confident, accurate hole starts with no wandering, hole after hole. Features and Benefits: • 5% cobalt HSS for superior heat and wear resistance • Centring tip for accurate, no-wander hole starts • Cylindrical shank compatible with three-jaw drill chucks • Pack of 10 keeps you productive on repeat tasks Specifications: Diameter (D) mm: 4 Total length (L2) mm: 75 Working length (L1) mm: 43 Net Weight of the product: 0,083 KG Contents: • Pack of 10