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Heli-Coil inserts
Home >> Products>> Helicoil Insert >> Heli-Coil insertsHeli-Coil inserts are precision-formed screw thread coils of extremely hard diamond-shaped 304 stainless steel wire. When installed into Heli-Coil tapped holes, screw thread inserts provide permanent conventional 60° internal screw threads that accommodate any standard bolt or screw.
All related tooling such as STI taps, hand and power installation tools, gages, and tang break-off tools are also available. Typical applications include automotive, communication, aerospace, and military.
Screw Thread Inserts
Heli-Coil inserts are precision-formed screw thread coils of extremely hard diamond-shaped 304 stainless steel wire. When installed into Heli-Coil tapped holes, screw thread inserts provide permanent conventional 60° internal screw threads that accommodate any standard bolt or screw.
All related tooling such as STI taps, hand and power installation tools, gages, and tang break-off tools are also available. Typical applications include automotive, communication, aerospace, and military.
Types
Screw thread insert types genereally consist of tanged or tangless, free-running or screw-locking, and both inch and metric sizes. Heli-Coil also manufactures inserts to provide very specific and unique features and benefits, some of which are listed here.
As an example, oversize and twinsert inserts are designed to correct tapping or assembly errors while serrated spark plug inserts have a serrated top coil to offset into the parent material and operate in high-temperature, high-performance spark plug applications.
Tanged Inserts
Heli-Coil free-running and screw-locking Inserts are the original—and have an extensive background of tension, torque, shear, vibration, and fatigue tests conducted by the 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 Heli-Coil inserts.
Free-running and screw-locking inserts available in metric coarse, metric fine, UNC, and UNF varieties.
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