Wera 840/4 Z Bits - 89mm

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.