1/4 COLBALT DRILL BIT
$4.07
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1/4" Cobalt Drill Bit .2500 decimal equivalent 2 3/4" flute length 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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$3.39
$4.07
(+$0.68)