High Quality MaterialThe pressure rivet nut is made of high quality 304 stainless steel, which has good corrosion resistance, rust resistance and oxidation resistance. The surface is smooth, shiny, strong and durable. Suitable for various outdoor and indoor environments and ensures long-term use without rust or corrosion. Multiple sizes: we offer different sizes of rivet nuts, including M3, M4, M5, M6, M8, 10 pieces of each size , total 50 pieces, the quantity and size are enough for daily use. Whether you are doing a DIY project or a professional construction job, you will find the right size. (Please confirm whether the size meets your requirements before purchasing.) Easy Installation:Insert the rivet nut into the pre-punched hole, and then turn the screw with the rivet nut tool. Due to the pressure generated by the bolt, the rivet nut deforms and protrudes under pressure, which plays a fixing role. Construction Features: Stainless steel pressure rivet nuts features a deep internal thread, which increases the gripping ability of the rivet nut, is effectively fixed and non-slip, and is easy to load and remove. Wide Application:Pressure rivet nuts can be easily installed in many different materials, including plastic, fiberglass, various types of metal plates, steel, pipes, etc.