5/16" x 6" HSS Aircraft Extension Drill Bit, D/AA/C BoltsandNuts.com Overall Length: 4-7/16"

Overall Length: 4-7/16"

The handle is made from glass-reinforced nylon that's resistant to fuels

STI Tap: M3-0

Part Number D/ASTCO9/16

The set includes Phillips and slotted bits as well as a twist-to-lock socket rail that keeps the sockets securely organized

5/16" x 6" HSS Aircraft Extension Drill Bit, D/AA/C BoltsandNuts.com Overall Length: 4-7/16"Product 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