Irwin 60221ZR HSS Drill Bit Set 21-Piece 1/16 In to 3/8 In Metal Index Case

Irwin 29-piece HSS drill bit set covering 1/16 inch through 1/2 inch in metal index case. Bundled set covers common drilling sizes for service technician and mechanic tool kits.

Irwin 29-piece black oxide drill bit set covering 1/16 inch through 1/2 inch in metal index case. Black oxide coating extends bit life over uncoated HSS. Used by machinists, mechanics, and...

Irwin 29-piece Turbomax HSS drill bit set covering 1/16 inch through 1/2 inch in industrial case. Turbomax point geometry drills faster than standard 118 degree point bits. Reduced shank on larger...

Irwin 15-piece cobalt drill bit set covering 1/16 inch through 3/8 inch. Cobalt construction extends bit life on stainless and hardened steel vs standard HSS. Used by machinists, mechanics, and...

Irwin cobalt HSS jobber drill bit at 3/16 inch. Cobalt construction extends bit life on stainless and hardened steel vs standard HSS. Used in mechanical assembly drilling work.