carriage Bolts1) Various kinds of Bolts available2) Can be made with different tensile strength, such as Class 4.6, 4.8, 5.6, 5.8,6.8, 8.8, 10.9 and 12.9, inperial grade 2, 5, 8 and 103) Can be suppliedwith different finish, such as bright, zinc plated, hot-dip galvanized,mechanical plating,...