Wera 840/4 Z Bits - 3 x 89mm Ductile And Tough For Hard Materials
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Tough viscous Wera bits for hexagon socket screws for universal use. The Hex-Plus profile offers a greater contact surface in the head of the screw.The notching effect is therefore reduced to a minimum and damage to the screw head more or less eliminated. 1/4" hexagon, suitable for holders as per DIN ISO 1173-F 6.3.
- For socket head screws
- Ductile and tough for hard materials
- Hex-Plus allows socket head screws to live longer
- 1/4" hexagon drive (Wera connecting series 4)
- Suitable for AEG, ARO, Atlas-Copco, Biax, Black & Decker, Bosch, Buckeye Tools etc.