carriage bolts Surface:z.p,black,hot dip,dacromet Size:5-20* ... ,6.8,8.8,10.9.12.9 carriage bolts1) Various kinds of bolts available2) Can be made with different tensile strength ... with different finish, such as bright, zinc plated, hot-dip galvanized,mechanical plating, black4) Can be made with different standards, such ... , ANSI, BS and special standard according to the drawing DIN603 CARRIAGE BOLTS