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
