
Cup square carriage bolts DIN603 are mostly used in wood. They are fully threaded upto 150mm, it has a domed top and a square under the head which grips into the part being fixed, preventing the bolt from turning when the nut is tightened.
Cup square carriage bolts DIN603 are mostly used in wood. They are fully threaded upto 150mm, it has a domed top and a square under the head which grips into the part being fixed, preventing the bolt from turning when the nut is tightened.