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  • Clamping effect directly in the thread – elastically resilient
  • Even clamping torque in repeated screwings
  • Constant thread friction
  • Uniform load and stress distribution
  • High temperature resistance
  • Modular design
    – Profitable
    – Material and surface in higher quality only required for small fastener (HELICOIL® screwlock)
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HELICOIL - locknuts

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Product descriptions

  • Product characteristics
  • Installation procedures

Locking of the screw is achieved by one or several polygonal-shaped threads on the HELICOIL®. These threads clamp the flanks of the screwed-in screw; the result is an elastically resilient frictional locking. The achieved locking torques can be compared to the indications in ISO 2320.

The most important benefits at a glance

  • Screw-locking in the thread
  • Elastically acting screw lock
  • Constant thread friction
  • High temperature resistance
  • Uniform load and stress distribution
  • High repeat screwing-unscrewing cycles


MeFaCo International bvba Industrial Fasteners & Installation Tools

Address: Industrieweg 2 (Zone Hoogveld) B-9200 Dendermonde (Belgium)

Tel.: +32 (0) 52 203923

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