... , phosphate black hex nuts1) Standard of hex nuts: DIN934/439, ANSI/ASME, BS, GB ... stainless steel 3) Grade of the hex nuts: From grade 4 to 12, ANSI ... . 4) Dimension of the hex nuts: 3mm-100mm; 1/8-4".5 ... ) Thickness of the hex nuts: We can produce according to ... your requirement 6) Coating of the hex nuts: Plain, black, zinc, HDG, ... black.7) Packing of the hex nuts: Small box with plastic bag, 25kgs ...