Customer Reviews for Irwin® Cobalt High Speed Steel Drill Bits, 1/4"
1 review
Most helpful positive review
Posted Aug 1, 2022
Cobalt Drill Bit
Will drill through an engine bolt as long as it is kept sharp.
MICHAEL P.
Posted Aug 1, 2022
Cobalt Drill Bit
Will drill through an engine bolt as long as it is kept sharp.
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