5/64 COLBALT DRILL BIT

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5/64" Cobalt Drill Bit Cobalt drills feature a 135 degree split point for instant penetration without a center punch. These drills are made from a special alloy of M42 steel contai ning 8% cobalt. The extra thick drill core adds further rigidity and strength. Specs... .0781 decimal equivalent 1" flute. Show more