Description

1/2"-13 x 3" Zinc Plated Grade 5 Steel Coarse Thread Carriage Bolts CBS5-283 Diameter: 1/2" Length: 3" Material: Steel Finish: Zinc Head Style: Carriage Thread Size: 13 (Coarse) Thread Length: Full Hardness: Grade 5 Type: Carriage Bolt Square-Depth: 9/32" 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.