840/1 Z bits, 5/16" x 25 mm

Tough viscous Wera bits for hexagon socket screws and universal use. Hex-Plus 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-D 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 1)
• Suitable for Bosch, Fein, Holz-Her, Lecreux, Metabo