Irwin 326019 Rotary Percussion Masonry Drill Bit 5/8 In x 3 In x 6 In 1/2 In Straight Shank

Irwin cobalt HSS jobber drill bit at 1/8 inch with straight shank. Cobalt construction extends bit life on stainless and hardened steel vs standard HSS. Used in mechanical assembly drilling work.

Irwin Hanson Silver and Deming HSS drill bit at 5/8 inch with 1/2 inch reduced shank. Reduced shank fits 1/2 inch chucks while large cutting diameter drills holes too large for standard jobber bits.

Aircraft Extension Steel Fractional Straight Shank Drill Bits, 3/8 in, Carded

Irwin general purpose HSS jobber drill bit at 1/8 inch with straight shank. HSS construction supports general purpose drilling in wood, plastic, and steel during construction and mechanical assembly...

Irwin Silver and Deming HSS drill bit at 1-1/8 inch with 1/2 inch reduced shank. Reduced shank fits 1/2 inch chucks while large cutting diameter drills holes too large for standard jobber bits.