5/16"-18 x 15/32" Steel Coarse Thread Threaded Inserts

Diameter: 5/16"
Diameter 2: 15/32"
Material: Steel
Thread Size: 18 (Coarse)
Type: Thread Insert

Box of 12.

A thread insert is inserted into an object to add a threaded hole. They are used for repairing a stripped threaded hole, providing a more durable threaded hole in softer materials, and molding or casting threads into a workpiece, eliminating an operation.