Irwin

Irwin cobalt HSS jobber drill bit at 1/2 inch. Cobalt construction extends bit life on stainless and hardened steel vs standard HSS. Used in mechanical assembly drilling work.

Irwin heavy duty black oxide HSS jobber drill bit at 1/8 inch. Black oxide coating extends bit life over uncoated HSS. Heavy duty construction supports demanding drilling applications.

Irwin heavy duty black oxide HSS jobber drill bit at 5/32 inch. Black oxide coating extends bit life over uncoated HSS. Heavy duty construction supports demanding drilling applications.

Irwin heavy duty black oxide HSS jobber drill bit at 13/64 inch. Black oxide coating extends bit life over uncoated HSS. Heavy duty construction supports demanding drilling applications.

Irwin heavy duty black oxide HSS jobber drill bit at 1/4 inch. Black oxide coating extends bit life over uncoated HSS. Heavy duty construction supports demanding drilling applications.

Irwin heavy duty black oxide HSS jobber drill bit at 3/8 inch. Black oxide coating extends bit life over uncoated HSS. Heavy duty construction supports demanding drilling applications.

Strait-Line Standard Marking Chalk, 5 lb, Bottle, Blue

Heavy Duty Black Oxide High Speed Steel Jobber Length Drill Bit, 1/4 in, Carded

Irwin Speedbor woodboring bit extension at 1/4 inch hex shank and 12 inch length. Extension reaches deep through framing members during electrical and plumbing fit-out drilling work.

Irwin Speedbor woodboring bit extension at 6 inch length. Mid-length extension reaches through framing members during electrical and plumbing fit-out drilling work.

Irwin Speedbor 2000 flat bit at 9/16 inch diameter. Spade bit drills larger holes in wood than twist drill bits during electrical and plumbing fit-out work.

Irwin Speedbor 2000 flat bit at 5/8 inch diameter. Spade bit drills larger holes in wood than twist drill bits during electrical and plumbing fit-out work.