Wera 848 Hex Shank HSS Drill Bit 4.2mm

The Wera 848 HSS Metal Twist Drill Bit in 4.2mm is an ideal choice for M5 tapping preparation, offering the precise undersize diameter needed to produce clean, well-formed threads in steel and other metals. The HSS split point tip cuts cleanly on contact without skating, ensuring accurate hole placement every time. With finely-tuned material elasticity engineered into the HSS body, this bit absorbs torsional stress during drilling, extending service life and maintaining dimensional accuracy. Vis