... ,ISO material:iron,carbon steel, stainless steel,steel grade:4.8-10.9 Square Bars Thread Rod GalvanizedStandard:DIN, ANSI, GB, JISMaterial ... steel, carbon steel, steelSize: variousStrength: 4.6,4.8,5.6,5.8,6.8,8.8,10.9,12.9Finish: zinc plated in yellow, blue ...