Wera 843 Stufenbohrer-Bit 4-20 mm - Tyoekalut - 5104672001
High quality stepped drill bit by Wera. 9 drill steps increasing by 2 mm for material with a maximum thickness of 4.5 mm. Comes with edge breaker for 1 mm sheet metal. ¼ hexagon, suitable for holders as per DIN ISO 1173-D 6.3.