Introduction

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. ” hexagon, suitable for holders as per DIN ISO 1173-D 6.3.

Total length: 75 mm