843 Stepped drill bits, 4-20 mm, 75 mm

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. 1/4" hexagon, suitable for holders as per DIN ISO 1173-D 6.3.

• 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