HELICOIL® locknuts

• 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)

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