Thread Repair Tools

E-Z LOK EZ-C303 Stainless solid insert assortment

E-Z LOK EZ-C303 Stainless solid insert assortment

Check compatibility

EZ-C303 is a solid insert assortment covering five documented coarse inch sizes from 10-24 through 1/2-13. Compare individual insert exterior dimensions and required tooling in the maker chart.

Manufacturer reference

Questions before ordering

What should I confirm before buying a mixed refill case?

Check the original fastener size, the exact exterior of each matching insert and the tools you already own. The manufacturer lists five distinct coarse inch sizes in this case.