Thread Repair Tools

E-Z LOK SK31220 1/2-20 standard coil kit with 2D inserts

E-Z LOK SK31220 1/2-20 standard coil kit with 2D inserts
Representative standard-kit packaging. Check the selected SK31220 variant for fit.

Check compatibility

SK31220 is the standard 1/2-20 coil kit with 2D inserts. Match the 20-TPI fine thread and compare the installed depth with the shorter versions.

Manufacturer reference

Questions before ordering

Does it fit a 1/2-13 bolt?

This is the 20-TPI fine repair thread. Compare the 5521-8 coarse kit if your original fastener has 13 TPI.