Description
Description
11/64" Cobalt Drill Bit. .1719 decimal equivalent 2 1/8" flute length 3 1/4" overall length. 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 containing 8% cobalt. The extra thick drill core adds further rigidity and strength.
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