kwb Drill Bits & Parts Granite drill bit 610608 - KWB 052630, The kwb 052630 Granite drill bit is made from 40Cr steel and has a 3 mm diameter with a total length of 70 mm. It features a cylinder shank and is ideal for drilling into stone, masonry, and brickwork. Commonly used for precise drilling tasks, this drill bit is highly durable and designed for efficient performance on granite surfaces. kwb 52630 Granite Drill Bit 3mm 70mm high tungsten Carbide
