Check the listing for details. 10 Pcs 1/2-13 Rivet Nuts Galvanized Carbon Steel Knurled Flat Head Insert Nuts. Condition: New. Listed at 15.77 USD. Flat head Knurled rivet nut is commonly used in assembling furniture, thin iron cabinets, equipment shells, and light industrial products. It is suitable for metal sheets, non-metallic plastic, wood, and other thin materials.SpecificationMaterial: Galvanized Carbon SteelThread Size: 1/2-13Cap Outer Diameter: 22 mm / 0.87 inchBody Diameter: 17.2 mm / 0.68 inchHeight: 29 mm / 1.14 inchPacking List: 10 x Rivet NutsAdvantageMade of galvanized carbon steel, the rivet nuts have high hardness and great corrosion resistance, which are durable and non-deformable. Metric rivet nuts are knurled having a flat and deep thread, which are easy to fix and anti-slip effective.InstructionDesigned for easy installation using a rivet nut tool, providing strong threaded holes in materials too thin for standard threads.