1/2 in. x 18 in. Auger Drill Bit for Wire Pulling - Long Wood Drill Bit with Fish Tape Guide - Professional Electrician Tool for Installing Wires in Walls & Ceilings - Perfect for DIY Home Electrical Projects

Flexible Drill Bit Kit Material:#65 Carbon Steel Cutting Head and Spring Steel Shank Shank Type: Three Flat Tip Shank SIZE: 3/8" (LONG-36in 54in 72in) 1/2" (LONG-18in 36in 54in 72in) 9/16" (LONG-18in 36in 54in 72in) 3/4" (LONG-36in 54in 72in) TIPS: NEVER USE A CABLE BIT INSIDE A WALL WITH EXISTING WIRING OR PLUMBING!!! For larger diameter bits you will need a power drill with a high torque rating. Cable bits are not indestructible, too tight of an arch when drilling can make them snap. If you are drilling wall keep your power drill close to the floor to prevent over stressing the bit. The Function of Drill Ball Worked great in combination with a drill bit ball on it to help keep the tip from drilling too close to the edge while inside the wall Safety Information Always wear approved eye protection.Never use on or near live electrical circuits. Applications the sharp threads give this bit the best pulling power available. to moves quickly through some of the hard wood,the nail will damage the bit and get dull or even broke when hit the nail

Material & Size： 1/2"head Diameter x 18" Long and 3/16" shank Diameter ,#65 Carbon Steel cutting head with a spring steel shank.The drill bit is of an auger type, with a self-feeding threaded tip followed by the cutting edges and the flutes for chip removal.

Flexibility：lexible auger drill bit has a non-slip three flat grip,it has been heat treated for optimum strength and memory,all will flex to some degree the shorter bits are not as flexible as longer ones

Simple works： hole in top end allows you to pull wire,flexible shaft allows for unique self-feeding drilling and suitable for drilling holes down the length of a wall and through hidden studs, with no damage to wall board, plaster, or any exterior finish

Strength & Durability our screw point installer bit has ultra-sharp threads which provide better pulling power and faster drilling speeds. It moves quickly through obstructions to easily drill and fish wire through existing walls. RPM rule of thumb The larger the diameter of the drill bit the slower the RPM (Larger bit grabbing and binding ! Slow it down and try again.)

Applicable Scenario ：the auger drill bit fits most standard size power drills ，suit for walls, kitchen counters, sidewalks, recessed lighting, camera mounts