5/16 -24 x 1/2 -13 Metal Fine Thread Inserts TIM-100 (3 pcs.)

Diameter: 5/16 Diameter 2: 1/2 Material: Metal Thread Size: 24 (Fine) Type: Thread Insert Box of 3. 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.