Steel Hex Nut 1)Standard:DIN,ANSI,ISO, 2)Materials:carbonsteel. Stainless ... steel . 3)Grade:class 4.8 6.8 8. Steel Hex Nut Size 1/2"-3" Specification ASTM A193 B7/B16 ... feet) 5. Finish: Plain, black ,zinc plated, hot dip galvanized.HEX BOLTMaterial: ASTM A193 B7, B8, B8M.Specification: ANSI B18.2 ... .1, ANSI B18.2.6, DIN931 and DIN933.HEX NUTMaterial: ASTM A194 2H, ASTM A194 Gr.8, ASTM A194 ...