50 Pieces 1/4-20 Threaded Inserts for Wood Nutsert Furniture Screw-in Nut 15mm Length Hex Drive

1/4-20 threaded inserts for woodworking applications, 15mm length, hex drive Allen key included. | Threaded inserts are easy to install, simply drill the appropriately sized hole and Install the inserts with the hex key provided or other optional drive tools you have. | 1/4-20 threaded inserts are the ideal solution for softwood, hardwood, plywood, MDF, and composition board. | Threaded inserts head diameter: 0.461" / 11.7mm, body diameter: 0.315" / 8mm, threads diameter: 0.410" / 10.4mm. | In Softwood, recommended drill bits for these threaded inserts are 8.5mm, 9mm, 9.5mm / 3/8". In hardwood such as white oak or maple, recommended drill bits are 9.5mm, 3/8 inch, or 10mm.