Draper Expert 1.0mm Cobalt Twist Drill
- Draper Expert 76087, Expert Quality, a selection of metric-sized high speed steel straight shank drills (with 5% cobalt). The addition of cobalt to HSS adds strength & wear resistance for longer life. * For use with Metric Helicoil&174; Thread Repair Kits. Display packed. Manufactured to DIN338 & ISO235/1 Specifications Draper Expert 10.5mm Cobalt Twist Drill