Irwin 63508 Heavy Duty Black Oxide HSS Jobber Drill Bit 1/8 In

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.

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 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 5/32 inch. Black oxide coating extends bit life over uncoated HSS. Heavy duty construction supports demanding drilling applications.

Irwin double end black oxide HSS drill bit at 1/8 inch. Double end design extends bit life by allowing the user to flip the bit when the first end dulls. Used in electrical and mechanical assembly...