Hard-to-Find Fastener 014973367657 Grade 5 Carriage Bolts, 3/8-16 x 2-1/2-Inch, 59-Piece Diameter 1: 3/8 inches Diameter 2: 27/32 inches Length: 2-1/2 inches Material: Steel Finish: Green Rinsed Zinc Diameter: 3/8" Length: 2-1/2 inches Material: Steel Finish: Green Rinsed Zinc Head Style: Carriage