50Pcs Hex Nuts A2‑70 Stainless Steel Thread Nut Assortment Kit for Industrial MachineryM4 Item Type: Hex Nuts Material: A2-70 Stainless Steel Standard: DIN 934 Model Thread Diameter(Approx.) Thread Pitch(Approx.) Nut Height(Approx.) Wrench Size(Approx.) M2  2mm / 0.08in 0.4mm / 0.02in 1.6mm / 0.06in 4mm / 0.16in M3  3mm / 0.12in 0.5mm / 0.02in 2.4mm / 0.10in 5.5mm / 0.22in M4 4mm / 0.16in 0.7mm / 0.03in 3.2mm / 0.13in 7mm / 0.28in M5 5mm / 0.20in 0.8mm / 0.03in 4mm / 0.16in 8mm / 0.31in M6 6mm / 0.24in 1.0mm / 0.04in 5mm / 0.20in 10mm / 0.40in M8 8mm / 0.31in 1.25mm / 0.05in 6.5mm / 0.26in 13mm / 0.51in M10 10mm / 0.40in 1.50mm / 0.06in 8mm / 0.31in 17mm / 0.67in M12 12mm / 0.47in 1.75mm / 0.07in 10mm / 0.40in 19mm / 0.75in