Threaded Inserts, 5/16-18 (10 Box)

Threaded inserts have internal threads, and allow attachment of a machine screw or bolt to a substrate - usually where there is limited access to the back side of the substrate. They are ideal for applications such as mounting seat and table hardware to floors and mounting cabinetry to walls.
• Outer knife threads slice through woods for superior holding power
• Numerous interior thread sizes available