Draper HSS Cobalt Drill Bit, 12.0mm

Amazon

Expert Quality Metric-sized high speed steel straight shank drills (with 5% cobalt) The addition of cobalt to HSS prevents wear for longer life, Weight: 0.22 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.