1/4in x 3/4 Zinc Carriage Bolts, 100 pieces

Diameter: 1/4Length: 3/4Material: Steel - Finish: Zinc - Head Style: Carriage - Thread Size: 20 (Coarse)Thread Length: Full - Hardness: Grade 2 / A307Type: Carriage Bolt - Square-Depth: 5/32A 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.