Product Name -- Cylindrical Pin Embedded NutQuantity -- 2/10/20pcs Material -- 304 Stainless SteelThread Diameter -- M4 M5 M6 Specification -- Thread Diameter x HeightWide Applications: commonly used in machinery, furniture, car, motorcycle repair, environmental protection equipment, 3D printing equipment, communication equipment, power facilities, electronic products, ship assembly, and DIY inventions, and more.