5/16-18 Threaded Helicoil Insert

Fix-a-Thread threaded inserts are designed to repair threaded holes created in soft material. Fix-a-Thread inserts require a Screw Thread Insert (STI) tap # 59151C

INSTALLS EASILY: Recommended for use with Screw Thread Insert (STI) taps STRONG, STURDY, RELIABLE: Made of high-quality coiled steel wire
5/16"-18 USS COARSE THREAD: Matches bolts or rods of a 5/16"-18 coarse thread size
Contents abide by a UNC thread standard
These threaded inserts feature various Coarse thread sizes
These "Fix-A-Thread" threaded inserts feature a 5/16"-18 coarse screw thread size and are recommended for use with STI taps only when installing