Wera 843 Stepped Drill Bit, 4-20-mm., 75-mm.

• 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

Construction: 9 drill steps increasing by 2 mm for material with a max. thickness of 4.5 mm. With edge breaker (sheet metal countersink) at Ø 10 for 1-mm sheet metal
Drive: 1/4″ hexagon, suitable for DIN ISO 1173-D 6.3 holders

Includes:

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