Irwin Cobalt Drill Bit Constructed of M-42 8 perce

Drill bit

135 degree split to minimize walk

Higher heat and abrasion resistance

Heavy duty web construction for strength and durability

For tough metal drilling which includes: heavy duty abrasive, alloy metal drilling on hardened steel, cast iron and Stainless Steel

Cobalt

7/16 in. x 5-1/2 in.

Unit: EA
UPC: 024721089434
Model Number: 63328