3/8"-16 X 7/8" Ribbed Neck Carriage Bolt Grade 5 Fully Threaded Zinc Material: Grade 5 Finish: Zinc Full Size: 3/8"-16x 7/8" Diameter: 3/8" Length: 7/8" Threads Per Inch: 16 U.O.M.: Imperial Thread Length: Full Thread Thread Type: UNC