... .2.2,DIN6330,DIN6334,ASME B18.2.2,BS916,DIN 439,DIN 936,ISO4035,DIN 971,ISO 8673,ISO 8675,etcNuts Size Metric ... /4”-1-1/2”)Custom made products are also welcomed. Nuts Materials1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420 2 ... plating, phosphated, Dacromet,copper plating, gold plating and etc as per your need. Nuts Salt spray time2 hours, 24 hours, 48 hours ...