Irwin 5/16in x 4-1/2in Cobalt Alloy Steel Drill Bit
This Cobalt Alloy Steel HSS fractional straight shank jobber length drill bit features 5-1/2 Cobalt Alloy Steel for higher heat and abrasion resistance. It is heavy duty with construction for strength and durability.
135-degree point begins drilling immediately, minimizing bit walk
Tough metal drilling, including heavy-duty abrasive alloy metal drilling on hardened steel
5-1/2 Cobalt Alloy Steel for higher heat and abrasion resistance
Heavy-duty with construction for strength and durability
Specifications
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