Screw steel.
Clamping ring brass.

Screw black oxidised.
Clamping ring bright.

The clamping screw with clamping ring is screwed into the clamping bolt from above. They clamp the workpiece securely and effectively. A soft, replaceable brass clamping ring prevents damage or scratches to the workpiece.

Form A: Standard screw with minimised interference contour due to very flat screw head.

Form B: Bearing screw for large series production. The flattened clamping ring enables quick workpiece removal.