K x 12" HSS Aircraft Extension Drill Bit, DWDA/C

K x 12" HSS Aircraft Extension Drill Bit, DWDA/CProduct 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

Recommended Predrill Hole Size: 7/16"

• Precise E-Star Geometry – The internal six-lobe geometry is designed for a high-torque fit that resists slipping • Made from Cr-V Steel – The chromium-vanadium socket is heat-treated to 40–47 HRC for use on impact wrenches • Corrosion-Resistant – The socket is coated with a manganese phosphate finish to resist corrosion • Two Size Markings – The size is marked with a high-visibility laser marking and a permanent stamped marking that won't rub off • Friction Ring or Detent Pin Anvils – Smooth walls inside the drive end and a detent pin hole make the bit sockets compatible with both drive tool anvil types

Grade 8 Extra Thick Flat Washers

Part Number GSC29/64

Part Number: 87F400HCS8Y

every bit in this set is 30 mm long to improve your access to recessed fasteners • Corrosion-Resistant – The bits are made of S2 steel with a zinc-phosphate coating that resists corrosion • Clear Markings – The tip size and Tekton "T" are clearly stamped into every bit • Rubberized Bit Rail – The flexible rail securely grips the bits so they can't fall out

The condensed size and flexibility of the u-joint socket allows you to reach around obstructions and access extremely tight

Drill Bit Size: 27/64"

Length Under Head: 2-3/4"

18-8 Stainless Split Lock Washers

Part Number: BIT-DMS04-9114

Part Number DWDRSD14