Carbon Steel Rivet Nut Kit: Rivet nuts have a wide grip range tolerance, and they can be installed in a variety of material thicknesses, they are more practical than other fasteners. High Quality: Made of carbon steel, with zinc coating on the surface, corrosion and acid resistant, provides high strength load-bearing wires. You won't worry about them rusting and breaking during installation. 6 Different Sizes: M3 x 40pcs, M4 x 40pcs, M5 x 30pcs, M6 x 20pcs, M8 x 15pcs, M10 x 5pcs, packing quantity: 150 pieces, the set can meet your different needs. Easy to use: The rivet assortment nuts make it easy to insert into the workpiece. It is suitable for high-end models, rod equipment, tubular connecting parts or antiseptic material. Wide application: Widely used in the assembly of electromechanical and light industrial products such as automobiles, aviation, railways, refrigeration, elevators, switches, instruments, furniture and decoration. Product Description Riveting is strong and effective - Stainless steel rivet nuts provide high strength, excellent durability and natural corrosion resistance. - These rivet nuts have a work hardened surface , resulting in very strong and load-bearing nets. - Widely used in furniture assembly, decoration, cars, instruments, aviation and other light industrial products . - Dimensions include: M3 / M4 /M5 / M6 / M8 / M10. - With storage case, different sizes are stored in different grids. Specifications: Material: Carbon Steel Color: Carbon Steel Sizes: M3 / M4 /M5 / M6 / M8 / M10 Quantity: 230pcs Package include: 40pcs*M3 x 9mm 40pcs*M4 x 11mm 30pcs * M5 x 13mm 20pcs * M6 x 15mm 15pcs * M8 x 18mm 5pcs * M10 x 21mm 1* Storage Case Helpful Tips: 1) Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 2) Please allow slight dimension difference due to different manual measurement.