Check the listing for details. 48 pack M6x18mm T-Nuts 4 Pronged Tee Nut Carbon Steel Threaded Inserts. Condition: New. Listed at 15.44 USD. [Size] Thread Size: M6, 1mm Pitch; Height: 18mm / 0.71"; Flange Diameter: 17.5mm / 0.69"; Barrel Outer Diameter: 8mm / 0.31";Type: Half Thread[Usage] These threaded inserts provide a solid connection for a variety of DIY tasks, furniture restoration, and woodworking projects. Commonly used to fix cupboards, table and chair legs, etc.[Advantages] It is made of color zinc plating carbon steel, has corrosion resistance, and has high strength. The 4 anti-claws are deeply inserted into the locked object, which is not easy to loosen.[How to use] First make a hole according to the outer diameter of the rod, insert the outer rod of the pronged tee nut into the hole, hit the bottom of the nut flange with a hammer, let the 4 claws be inserted into the wood, and a nut connection is realized.[Note] 1.