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 ... .3. Advantegous MaterialsSteel:40Cr, S25C(C1008-C1022), 35#steel, S20C,AISI4142,AISI4140, SCM435, 45# steel, stainless steel:sus201, sus303, sus304, sus316, sus410Brass:copper, bronze ...