5/8"-11 x 2-3/4" Green Rinsed Zinc Grade 5 Carriage Bolts (18 pcs.)

Diameter: 5/8"
Length: 2-3/4"
Material: Steel
Finish: Green Rinsed Zinc
Head Style: Carriage
Thread Size: 11 (Coarse)
Thread Length: Partial
Hardness: Grade 5
Type: Carriage Bolt

Box of 18.

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.