Check the listing for details. 25Pcs Rivet Nuts M5 Carbon Steel Pre-Bulbed Threaded Insert Nuts Gold Tone. Condition: New. Listed at 18.80 USD. APPLY TO - A rivet nut is used for metal plates or non-metallic, wood and other plates in housing construction, and can also be used in the assembly of furniture, household thin iron cabinets, equipment shells, and other machine and light industrial products.SPECIFICATION:Material: Carbon SteelColor: Gold ToneFinish: Zinc PlatedHead Type: Flat HeadBody Design: Pre-Bulbed Thread Size: M5(Dia)Drill Hole Size: 7mm/0.28"(D)Length: 22mm/0.87"(L)Head Outer Diameter: 13mm/0.51"(D)QUANTITY INCLUDED - 25pcs x Rivet NutsADVANTAGE - All use carbon steel material, zinc plating finish, high hardness, no-rust, wear-resistance, and perfect corrosion resistance. Replace the traditional welding nut, make up for the problem of metal sheet, thin tube welding and fusible.