#54 x 12" HSS Aircraft Extension Drill Bit, DWDA/C BoltsandNuts.com For a snug fit

For a snug fit

• High Leverage – We designed the keys to be longer in the largest sizes to increase leverage where it matters • 20-Degree Ball Angle Increases Access – Our L-keys implement a steep ball-end angle that increases your ability to access fasteners while still maintaining sufficient strength • Maximum Torque Strength – We make our L-keys with 8660 nickel chromium molybdenum steel that's heat-treated to HRC 54-58 to produce tools that are hard

• Shallow and Deep 6-Point Socket Openings – Provides an exact fit and maximum contact for hex fasteners • Fully Stepped Shoulders – The narrowed diameter stretches to the base of the socket on small

plating and engraving

Part Number: DUR321B-95

#54 x 12" HSS Aircraft Extension Drill Bit, DWDA/C BoltsandNuts.com For a snug fitProduct Description A dependable, general purpose high speed steel drill bit ideal for production, maintenance or portable drilling jobs. They are for use in a wide range of materials such as aluminum, brass, copper, metal, plastic and wood. They are surface treated with abrasion resistant black oxide and made of high speed steel with a 135 split point tip for fast penetration and accurate drilling. Ideal for drilling where extra length for reach is