Bosch PRO Extra Length Formwork and Installation Drill

This Bosch PRO Wood HSS Installation Drill Bit is the 30mm diameter, 400mm long size, our largest diameter in the range. It is the one to choose for the biggest holes through multi-layered materials. The HSS construction resists heat, and the tapered flute stops the bit jamming in moist wood. Features and Benefits: • High-speed steel for strength and heat resistance • Tapered flute for drilling through moist wood • Cylindrical shank for three-jaw drill chucks Specifications: Diameter: 30mm Length: 400mm