Bosch Carbide Tipped Twist Drill Bit, 4mm Diameter, 130 mm Overall

The Bosch multi construction cylindrical drill bit has a specially-designed centering tip which makes it accurate and easy drilling. This cylindrical shank is compatible with three-jaw drill chucks. It is used for concrete, soft tiles, steel, soft wood and plastic. It provides 80 mm working length.

Up to 5x more precise than a standard drill bit
Provides optimised dust extraction