... . High Strength Carbon/Alloy Steel Bolt Specification 1.Main Size: (5/8"-2") × (1 1/2"-18")L ; M16-M642.Material:Carbon ... steel or alloy steel3.Grade: 8.8/10.94.Surface finishes: Zinc-plated(Black or Plain), Hot ... dip galvanizing, Dacromet,etc. 5.An inquiry shall include product name, standard, size, property class, surface treatment, quantity, packaging and ...