Threaded insert types, installation methods, and selection criteria
| Type | Installation | Best For |
|---|---|---|
| Helical Wire Insert (Heli-Coil) | Screw-in after tapping | Repairing or strengthening threads in softer materials |
| Press-In Insert | Press fit into drilled hole | Plastic parts, sheet metal |
| Heat/Ultrasonic Insert | Melted into plastic | Thermoplastic parts |
| Molded-In Insert | Placed in mold before injection | High-volume, critical applications |
| Self-Tapping Insert | Screws into undersized hole | Field installation, repairs |