The thermoset star grip is distinguished by its closed grip contour. The contact surface of the protruding steel bush is vertical to the thread axis and ensures a firm screw connection.

Thermoset PF 31.
Steel grade 5.8 or stainless steel 1.4305.

Thermoset black, high-gloss polished.
Metal parts trivalent blue passivated steel or bright stainless steel.

Wear resistant contact surface
Closed grip contour

Form H: bush with blind hole

Form K: internal thread
Form L: external thread