Hex nylon lock nuts din 985 Material: cabon steel, stainless steel Grade: 4, 6 ... Finish: natural, lpating Zinc, coating Specifications of Hex nylon lock nuts: 1.StandardASME B18.16.6, DIN985, DIN982,GB 889, JIS ... , Grade 8, Grade 105.Surface treatmentblack oxide, zinc plating(white, yellow, black colour), nickel plating, chromate plating, HDG, Dacromet. 6.Body ...