1/2 in.-13 X 3-1/2 in. 25-Pack Prime-Line 9064466 Carriage Bolts A307 Grade A Zinc Plated Steel

Prime-Line 9064466 Carriage Bolts, 1/2 in.-13 X 3-1/2 in., A307 Grade A Zinc Plated Steel, 25-Pack: Home Improvement. Buy Prime-Line 9064466 Carriage Bolts, 1/2 in.-13 X 3-1/2 in., A307 Grade A Zinc Plated Steel, 25-Pack: Carriage Bolts - ✓ FREE DELIVERY possible on eligible purchases. Size: 1/2 inch-13 X 3-1/2 inch 。 Features a smooth rounded head as opposed to a standard hex head 。 Square shoulder allows for nut to be tightened or loosened 。 Often used in cases where a protruding bolt head could cause injury 。 Nuts and washers not included, ensure washers and nuts are same diameter 。 Carriage bolts feature a slightly rounded head and have no exposed sharp edges when fully fastened. Due to that reason, they are often used when a more aesthetic look is desired. They are commonly used on docks and on playground equipment or in cases where it may be difficult to reach the bolt head with a tool. The square shoulder on carriage bolts help to hold it in place while the nut is fastened. 。。。