5/16 UNF x 1.5D V Coil - Fits Helicoil - Wire Thread Repair Inserts (QTY 10)
V-Coil Thread Repair Inserts 5/16 UNF - 24 x 1.5D. Produced from precision profiled austenitic stainless steel wire wound into a helical spiral, V-Coil free running inserts have a spring like appearance.