Wera Step Drill Bit 4-20mm 843 1/4″ Hex Shank
9 drill steps increasing by 2 mm
For material with a maximum thickness of 4.5 mm
With edge breaker (sheet metal deburrer) at diameter 10
For 1 mm sheet metal
1/4″ hexagon suitable for holders as per DIN ISO 1173-D 6.3
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.
Total length: 75 mm
