1/2 -13 x 3-1/2 Green Rinsed Zinc Grade 5 Carriage Bolts (25 pcs.)

Diameter: 1/2 Length: 3-1/2 Material: Steel Finish: Green Rinsed Zinc Head Style: Carriage Thread Size: 13 (Coarse) Thread Length: Full Hardness: Grade 5 Type: Carriage Bolt Box of 25. A carriage bolt has a domed or countersunk head and the shank is topped by a short square section under the head. The square section grips into the part being fixed (typically wood) preventing the bolt from turning when the nut is tightened.