In a nutshell
The right choise for
With the Bosch hss-r metal drill bit, you tackle drilling tasks in metal, steel, and hard plastics with dependable control. The roll-forged hss-r construction delivers superior elasticity, significantly reducing the risk of breakage under standard torsional stress. Its 118 degree drill tip ensures smooth centering and steady chip removal throughout your work. Designed to the din 338 standard with a 4.2 mm diameter, 43 mm working length, and 75 mm overall length, it is ideal for drilling pilot holes and core holes for M5 threads. The standard 4.2 mm cylindrical shank mounts easily into standard drill chucks so you can start right away.