HELICOIL® thread inserts create highstrength fastenings in metal lowstrength materials and have been well established on the market for about 60 years .

The HELICOIL® Plus Screwlock has the same benefits regarding the threads as the HELICOIL® Plus Free Running and it is confirming to DIN 8140b.

Additionally an integrated screw clamping area serves as a screwlock.

The screw clamping is realised by one or more polygone formed windings that clamp the flanks of the screwedin screws. The result is an elastic frictional resistance.