Features 1、Manufacturing Material: Made of high quality 304 stainless steel, strong and durable, rivet nut rose work, flat head, delicate thread, uniform inclination, smooth surface without burr. 2、Wide Applicability: Rivet nut sorting makes it easier to insert workpiece, suitable for high end models, bar equipment, steel pipe fittings or anticorrosive materials. 3、Easy to Install: Suitable for all installation requirements, it can be easily installed into many different types of materials, including steel, plastic and fiberglass. 4、Easy to Use: Fine workmanship and easy to use, without any difficult requirements even though you use it for the first time. 5、Available Nut Specifications: Available nut specifications can be selected according to own needs, so as to meet diverse needs. Specification Item Type: Rivet Nuts Weight: Approx.443g / 15.6oz Material: 304 Stainless Steel Product Model M3 M4 M5 M6 M7 M8 Thread Diameter 3mm / 0.12in 4mm / 0.16in 5mm / 0.2in 6mm / 0.24in 8mm / 0.31in 10mm / 0.4in Thread Pitch 0.5mm / 0.02in 0.7mm / 0.028in 0.8mm / 0.032in 1mm / 0.04in 1.25mm / 0.05in 1.5mm / 0.06in Fange Height 0.9mm / 0.04in 1mm / 0.04in 1mm / 0.04in 1.5mm / 0.06in 1.5mm / 0.06in 2mm / 0.08in Flange Diameter 7.5mm / 0.3in 9mm / 0.4in 10m / 0.4in 13mm / 0.5in 16mm / 0.6in 19mm / 0.7in Pore Diameter 5mm / 0.2in 6mm / 0.2in 7mm / 0.3in 9mm / 0.4in 11mm / 0.4in 13mm / 0.5in Overall Length 9mm / 0.4in 11mm / 0.4in 13mm / 0.5in 15mm / 0.6in 18mm / 0.7in 21mm / 0.9in Package List 50 x M3 Rivet Nuts 50 x M4 Rivet Nuts 30 x M5 Rivet Nuts 20 x M6 Rivet Nuts 15 x M8 Rivet Nuts 5 x M10 Rivet Nuts