Draper Expert 12.4mm Cobalt Twist Drill Bit for Helicoil Thread Repair Kits
Draper Expert 12.4mm Cobalt Twist Drill Bit for Helicoil Thread
Expert Quality, a selection of metric sized high speed steel straight shank drills with 5% cobalt. The addition of cobalt to HSS adds strength and wear resistance for longer life. *For
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