Product Description
UNC Thread Repair Insert Coils Extra Long
Extra long UNC wire thread repair insert coils for restoring damaged or stripped internal threads. Available in five imperial thread sizes from 1/4" to 1/2", with approximate insert lengths shown below.
Choose the thread size and pack quantity required for your repair. These replacement insert coils are supplied separately from thread repair kits and installation tools.
Technical Specifications
| Product Type | Wire thread repair insert coils |
|---|---|
| Thread Series | UNC — Unified National Coarse |
| Size System | Imperial |
| Length Type | Extra long |
| Pack Quantities | 5, 10, 20, 50 or 100 inserts |
Available Sizes and Approximate Lengths
| Thread Size | Threads Per Inch | Approximate Insert Length |
|---|---|---|
| 1/4" UNC | 20 TPI | 1/2" |
| 5/16" UNC | 18 TPI | 5/8" |
| 3/8" UNC | 16 TPI | 5/8" |
| 7/16" UNC | 14 TPI | 7/8" |
| 1/2" UNC | 13 TPI | 1" |
Selecting and Installing Your Inserts
Match the insert to the required finished thread diameter and TPI. Check that the hole depth suits the selected insert and use compatible wire thread repair tooling, following the installation instructions for your repair system.
Lengths are approximate. If the insert length is critical to your application, please confirm the dimensions before ordering.
