3/16 -24 x 4 Zinc Plated Steel Coarse Thread Carriage Bolts

Diameter: 3/16 Length: 4 Material: Steel Finish: Zinc Head Style: Carriage Thread Size: 24 (Coarse) Thread Length: Full Type: Carriage Bolt 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.