Description
1/2" 13X5 1/2" (FT) CARRIAGE BOLTS A 307 GRADE A ZINC CR+3 {10/BX}
- Head: Carriage bolts have a round, domed head with a flat or slightly curved top surface.
- Square Neck: Beneath the head of the carriage bolt, there is a square-shaped section that prevents the bolt from rotating when tightened.
- This square neck fits into a square hole or slot in the material, preventing the bolt from turning when a nut is being tightened onto it.