Bosch 12 Piece Extra Hard Screwdriver Bit Set

The Bosch 12 Piece Extra Hard Screwdriver Bit Set is a versatile collection of 25mm bits designed for universal screw-driving with screwdrivers and drill drivers across a wide range of tasks. Each bit is manufactured from S2 Modified Steel and undergoes an optimised heat treatment process to achieve extra-hard quality. This construction ensures reliable performance across all common screw head types, whether on site or in the workshop. The tapered torsion zone is a key design feature, absorbin