Helicoil (also known as Heli-serts/Heliserts) inserts are available in free running and screw-lock forms and they come in a comprehensive range of lengths, materials, and platings.
Helicoil Screw Thread Insert Types:
Helicoil insert types include Helicoil free running, Helicoil screw lock (thread locking), Helicoil tangless, Helicoil Oversize inserts, Helicoil Twinserts, Helicoil Nitronic, Helicoil Inconel, Helicoil Phosphor Bronze, Helicoil Nimonic, Helicoil Dry Film, Helicoil Cadmium.
About Helicoil Screw Thread Inserts:
Helicoil screw thread 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 60 deg internal screw threads. Helicoil screw thread inserts provide a positive means for protecting and strengthening tapped threads in any material.
Helicoil screw thread inserts have an extensive background of tension, torque, shear, vibration and fatigue tests conducted by leading companies in America 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 screw thread inserts.
Details on Helicoil Screw Thread Inserts:
Helicoil Insert Types:
- Helicoil Free Running
The standard Helicoil helically wound insert with precision-formed rounded coils and a diamond shaped cross-section
- Helicoil Screw-Lock
Screw Lock wire inserts have all the characteristics of free running inserts but in addition, one or more coils in the middle of the screwlock insert are polygon shaped. These coils serve as a locking device by gripping the threads of the installed screw, effectively preventing the screw from loosening under vibration or impact.
Helicoil Insert Materials & Platings:
Besides the standard 304 (18-8) stainless steel, Heli coil thread inserts are also available in:
- Materials : Inconel X-750, Nimonic 90, Phosphor Bronze, Nitronic 60, & Titanium
- Platings : Dry Film Lubricant (Mollylube), Cadmium, Zinc and Silver, Passivated