Highly Robust Bits - The Impact Control Screwdriver Bit is highly robust and ideal for heavy duty applications, even withstanding the high power of impact drivers. The bit features an extended torsion zone that makes it extremely sturdy for extended working times. S2 Modified Steel and an optimised heat-treatment process provide extra-tough endurance for high performance, including in plant installations or heavy industrial work. The HEX-9 MultiConstruction Drill Bit is ideal for use in practically all kinds of materials in interior fitting work. It features diamond-ground cutting edges for high wear resistance and a 2-flute U-shape that offers good dust removal and standard lifetime. Furthermore, its carbide tip provides for easy starting and good control when drilling. All bits have a 1/4-inch external hex shank and are suitable for use with drill drivers, screwdrivers and especially with impact drivers. The bits are part of the Bosch Pick and Click system, which enables individually