Product reviews for Draper Expert 14ampquot Cobalt Twist Drill Bit
Draper Expert 1/4" Cobalt Twist Drill Bit
Expert Quality, a selection of imperial-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 use with UNC and UNF Helicoil® Thread Repa...