31/64 x 12" HSS Aircraft Extension Drill Bit Reduced Shank Drills They have a 1/4" Hex

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

Sold individually

They are manufactured from M2 premium-grade high-speed steel and can be used in various materials such as aluminum

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

The drill bit has a round shank that works with a wide range of tool-holding systems

31/64 x 12" HSS Aircraft Extension Drill Bit Reduced Shank Drills They have a 1/4" HexDescription 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