This Bosch PRO HSS-Co Cobalt Drill Bit is a 10mm diameter bit, supplied in a pack of 5 — one of the most widely used sizes in metal drilling, suitable for stainless steel, alloyed steels, cast iron, and more. The five-pack is ideal for professionals who rely on this diameter day to day. Fully ground HSS with 5% cobalt ensures excellent wear and heat resistance. The centring tip provides accurate, no-wander hole starts for clean, professional results. 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 5 provides excellent value at this popular diameter Specifications: Diameter (D) mm: 10 Total length (L2) mm: 133 Working length (L1) mm: 87 Net Weight of the product: 0,335 KG Contents: • Pack of 5