For replacing the traditional nut, it is developed to make up for the shortcomings of thin metal plates and thin tubes that are easy to weld and not smooth to weld nuts. No need to tap the internal threads, no need to weld the nut, riveting the nut firmly, high efficiency, convenient and fast.Galvanized surface effectively prevent surface damage, fading, and oxidation. Featuring smooth and burr-free surface, it is sturdy and durable to use.The nuts are made of premium carbon steel and zinc plated, which are durable and anti-rust.The storage box is 17cm long, 10cm wide and 2.2cm high.It is widely used in the assembly of electromechanical and light industrial products such as automobiles, aviation, railways, refrigeration, elevators, switches, instruments, furniture, decorations, etc.Item Name: Rivet NutsMaterial:Carbon SteelSpecification: M3-M10, Flat Head Vertical ThreadSurface Treatment: Zinc-platedSize:17cmx10cmx2.2cm/6.69inx3.94inx0.87inNotes:The quantity is about 180pcs, due to manual calculation, the quantity might has 1-3pcs more or less, hope you can understand, thank you.Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.Package Includes:50 X M3 Rivet Nuts50 X M4 Rivet Nuts30 X M5 Rivet Nuts30 X M6 Rivet Nuts10 X M8 Rivet Nuts10 X M10 Rivet Nuts