HELICOIL® thread inserts create high-strength fastenings in metal low-strength 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 8140-b.

Additionally an integrated screw clamping area serves as a screw-lock.

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

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