31/64 x 12" HSS Aircraft Extension Drill Bit Reduced Shank Drills These are jobber (standard) length

These are jobber (standard) length drill bits with a black and gold surface treatment

Our M35 cobalt drills are designed for easy drilling through the toughest materials

They have a 1/4" Hex Shank that can be used in quick change impact drivers

and the length between the chucking slot on the shank to the end of the shank is a standard 3/8"

Engineered for performance

31/64 x 12" HSS Aircraft Extension Drill Bit Reduced Shank Drills These are jobber (standard) lengthDescription A versatile drill for production, maintenance, or portable drilling jobs. Ideal for extended reach. 135 split point tip for fast, accurate drilling. Works on many materials. Black oxide surface resists abrasion and improves chip flow. The round shank fits various tool holding systems. Sold in packs of 6