Type:-Hex nut-DIN 934 Dome nut-DIN 1587 Hex Flange nut-DIN 6923 Square nut-DIN 557 Wing nut-DIN 315 Materials: please offe for mild steel and stainless steel SS202, SS304, SS316 Size: M3 to M20 Qty: 1-2 ton per month approx. For reselling purpose.