Helicoil Screw Thread Inserts

Product ID: Helicoil Inserts

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Helicoil inserts are precision formed screw thread coils worked into a diamond shape. This wire is then wound into a spiral coil which when installed into Helicoil tapped holes, provides a permanent conventional 60º internal screw threads. Helicoil inserts provide a positive means for protecting and strengthening tapped threads in any material.

Helicoil inserts have an extensive background of tension, torque, shear, vibration and fatigue tests conducted by American industry’s leading companies as well as the U.S. Military.

Successful applications in the fields of aviation, electronics, industrial, automotive and military equipment provide a wealth of experience and confidence in the performance and reliability of Helicoil inserts.
  • Helicoil Insert Types
    • Free running, screw lock (thread locking), tangless, and Twinserts
  • Helicoil Insert Materials
    • Stainless steel, Nimonic 90, Nitronic 60 (EN), titanium, inconel X-750, phosphor bronze
  • Helicoil Platings
    • Dry film, passivated, primer, zinc, silver, & cadmium
  • Helicoil Insert Sizes
    • UNC, UNF, UNEF, Metric, BSP, BSW, BSF, BSPF

Main Products

Helicoil Screw Thread Inserts, Repair Kits, Ensats, Bollhoff Rivnuts