E-Z LOK 329-5 5/16-18 solid refill inserts

Check compatibility
E-Z LOK 329-5 takes a 5/16-18 fastener and has a 1/2-13 outer thread. Check both values before comparing with the longer 329-501 or a wire refill.
Questions before ordering
Which driver does the maker list for this refill?
E-Z LOK lists 500-4 for the 329-5 insert. Confirm the part number, thread pair and required depth before substituting another insert.