... material:iron,carbon steel, stainless steel,steel grade:4.8-10.9 Square Bars Thread Rod GalvanizedStandard:DIN, ANSI, GB, JISMaterial: stainless ... ,4.8,5.6,5.8,6.8,8.8,10.9,12.9Finish: zinc plated in yellow, blue, white.or ... .If you are interested in our products , please tell us. Square Bars Thread Rod Galvanized