1/4"-20 x 3-1/2" Silicon Bronze Coarse Thread Carriage Bolts

Diameter: 1/4"
Length: 3-1/2"
Material: Silicon Bronze
Head Style: Carriage
Thread Size: 20 (Coarse)
Thread Length: Full
Type: Carriage Bolt

Box of 2.

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.