Nominal Size: 3/8"
Thread: 16 TPI (Coarse)
Length: 2-1/2"
Thread Length: Full
Material: Steel
Finish: Green Rinsed Zinc
Head Style: Carriage
Hardness: Grade 5
Type: Carriage Bolt
Box of 59.
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.
