Free Running Inserts



Recoil helically wound wire thread inserts can be used to strengthen threads, giving applications a longer life. Each insert sharing the load over the entire bolt and hole, improving holding or pull out resistance. With a Recoil insert installed, a more even distribution of load and stress can be achieved. Recoil inserts are generally made of type 304(18-8) stainless steel wire rolled into a diamond shape cross-section.

Recoil inserts can be supplied in other materials such as Inconel, Nimonic 90, Nitronic 60, Phosphor Bronze and type 316 Stainless Steel.

Standard inserts are free-running, but screw-locking inserts are also available. Both free-running and screw-locking inserts are available on plastic strips for automated tooling systems


  • Lightweight yet robust design gives superior holding power
  • Quick and simple installation process
  • Extensive stock of METRIC, BSW, UNC, UNF, BSC, BA, BSP and NPT inserts
  • Large variety of materials and coating options
  • Special lengths and diameter pitch combinations available to order
  • A wide range of tooling options available


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