8mm-1.25 x 1/2″ Plain Steel Coarse Thread Metal Thread Inserts (5 pcs.)
Diameter: 8mm Diameter 2: 1/2″ Material: Steel Finish: Plain Thread Size: 1.25mm (Coarse) Type: Thread Insert Box of 5. 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.