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1/2 COBALT DRILL BIT

Original price was: $17.73.Current price is: $9.86.

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SKU: DRI 12CO Category:

1/2″ Cobalt Drill Bit .5000 decimal equivalent 4 1/2″ flute length 6″ 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.