High quality bits for drywall screws. Reduced shaft diameter for low-lying screw connections. Countersinking of screws without any surface damage. Especially for drywall construction. The diamond coating of the bits ensures a secure fit in the screw, reduces the contact pressure required and lowers the risk of slipping. 1/4" hexagon, suitable for holders as per DIN ISO 1173-D 6.3.

For Phillips screws
With reduced shaft diameter
Particularly suitable for drywall screws
Diamond coating for a secure fit in the screw, literally bites into the screwhead to prevent cam-out
1/4" hexagon drive (Wera connecting series 1)

851/1 RDC bits, PH 2 x 25 mm

Driver Bits