"U" x 12" HSS Aircraft Extension Drill Bit 6" Cobalt Aircraft Fractional Drills They feature a left-hand helix

They feature a left-hand helix and are made of high-speed steel with a 118° conventional point

Works on many materials

These COHEX Series m35 5% cobalt drill bits are specifically designed for use in hand-held and impact drills

or portable drilling jobs

The 135° split point tip ensures fast starts and precise drilling with less walking

"U" x 12" HSS Aircraft Extension Drill Bit 6" Cobalt Aircraft Fractional Drills They feature a left-hand helixDescription 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