... .9 grade stainless steel DIN934 hex nuts ,A.Product specifications Nuts StandardASME B18.2.2,ASME B18 ... .2.4.1M,BS 325,BS 916,DIN555,DIN934,DIN970,ISO4032,ISO4033,ISO4034,JIS ... 1-1/2”)Custom made products are also welcomed. Nuts Materials1.Stainless Steel: SS201, SS303, SS304, SS316, ... gold plating and etc as per your need. Nuts Salt spray time2 hours, 24 hours, 48 hours ...