Bit attachment for a cordless drill, to screw/unscrew heel screws, has a cylindrical unit on a shaft with a rounded cut-out to take the heel screw and rotate it without wobble

摘要

The bit attachment for a cordless drill, to screw heel screws in and out, has a shaft (b) to be held by the chuck secured to a cylindrical component (a) by a screw (c) or welding. The cylinder section has a drilling (g) and a parallel cut-out (d) with a rounded contour.