Hard-to-Find Fastener 014973230395 Carriage Bolts, 1/4-20 x 1/2, Piece-100 Diameter 1: 1/4 inch Diameter 2: 19/32 inches Length: 1/2 inch Material: Steel Finish: Zinc Diameter: 1/4" Length: 1/2 inch Material: Steel Finish: Zinc Head Style: Carriage