Item Type: Rivet Nuts_x000D_ Weight: Approx.443g / 15.6oz_x000D_ Material: 304 Stainless Steel_x000D_ Product Model M3 M4 M5M6 M7 M8_x000D_ Thread Diameter3mm / 0.12in4mm / 0.16in5mm / 0.2in6mm / 0.24in8mm / 0.31in10mm / 0.4in_x000D_ Thread Pitch0.5mm / 0.02in0.7mm / 0.028in0.8mm / 0.032in1mm / 0.04in1.25mm / 0.05in1.5mm / 0.06in_x000D_ Fange Height0.9mm / 0.04in1mm / 0.04in1mm / 0.04in1.5mm / 0.06in1.5mm / 0.06in2mm / 0.08in_x000D_ Flange Diameter7.5mm / 0.3in9mm / 0.4in10m / 0.4in13mm / 0.5in16mm / 0.6in19mm / 0.7in_x000D_ Pore Diameter5mm / 0.2in6mm / 0.2in7mm / 0.3in9mm / 0.4in11mm / 0.4in13mm / 0.5in_x000D_ Overall Length9mm / 0.4in11mm / 0.4in13mm / 0.5in15mm / 0.6in18mm / 0.7in21mm / 0.9in 1Manufacturing 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. 2Wide Applicability: Rivet nut sorting makes it easier to insert workpiece, suitable for high end models, bar equipment, steel pipe fittings or anticorrosive materials. 3Easy to Install: Suitable for all installation requirements, it can be easily installed into many different types of materials, including steel, plastic and fiberglass. 4Easy to Use: Fine workmanship and easy to use, without any difficult requirements even though you use it for the first time. 5Available Nut Specifications: Available nut specifications can be selected according to own needs, so as to meet diverse needs. 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