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.< /p>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.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 SteelColor: Carbon SteelSizes: M3 / M4 /M5 / M6 / M8 / M10Quantity: 230pcsPackage include:40pcs*M3 x 9mm40pcs*M4 x 11mm30pcs * M5 x 13mm20pcs * M6 x 15mm15pcs * M8 x 18mm5pcs * M10 x 21mm1* Storage CaseHelpful 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.