Bosch BIT T40 L:89MM

It has an external hexagonal shaft of 1/4 inch and is intended for universal mounting of screws with screwdrivers and screw machines. This Extra Hard screwdriver bit is a good choice for versatile use. All tasks can be performed thanks to the bit's modified S2 steel and an optimized heat treatment process, which provides extra hard quality and enables sufficient performance in all tasks. The bit's tapered torsion zone easily handles maximum circumferential speeds when absorbing force and vibrations during screw assembly, making it suitable for all tasks