Draper HSS Cobalt Drill Bit, 5.0mm

Amazon

Draper Guaranteed Product Manufactured to EU Standards D Guaranteed Product The addition of cobalt prevents wear for longer life, Weight: 0.04 Pounds, Manufacturer: Draper

Electrical World

Expert Quality, metric-sized high speed steel drills (with 5% cobalt). The addition of cobalt to HSS prevents wear for longer life. Display packed.