TIME-SERT® 5/16-18 UNC Coarse Thread Repair Kit | 5 Inserts Included

Inserts - 5 x 0.450 (11.43mm) length. 5/16 - 18 Kit Contains. Qty : 1 Kit. On installation the bottom internal threads of the insert are cold rolled to expand the mating external threads into the base material locking the insert in place.