Description: Developing for replacing traditional nut, this nuts kit makes up for the shortcomings of thin metal plates and thin tubes that are easy to weld and weld nuts that are not smooth. It does not require for tapping internal thread and welding the nut, which is firm with high efficiency and convenience. Featuring smooth and burr-free surface, these nuts are also strong and durable for the premium material and exquisite craftsmanship. Made of premium 304 stainless steel, the nuts 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 Nut Material:Stainless Steel Specification: M3-M10, Flat Head Vertical Thread Surface Treatment: Natural Color Size:17cmx10cmx2.2cm/6.69inx3.94inx0.87in Notes: The quantity is about 93pcs, 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: 9 X M10 Rivet Nuts 9 X M8 Rivet Nuts 15 X M6 Rivet Nuts 15 X M5 Rivet Nuts 20 X M4 Rivet Nuts 25 X M3 Rivet Nuts