Carriage bolts have a round head and square neck that prevents the bolt from turning when the nut is tightened.
Carriage bolts are used in wood or metal construction applications where the square neck grips into the part being fixed preventing the head from turning.
Carriage bolts are also known as: carriage screws, round head square neck bolts, coach bolts; shaker screen bolts (when fully threaded).
Size: M6/M8/M10/M12/M16/M20/M24
Length: as per size
Material: steel
Finish: zinc plated (galvanized)/hot dip galvanized (HDG)
Technical info: DIN 603, GB/T 14-1998