Crown Bolt 01150 1/4 Inch-20 x 2 Inch Coarse Thread Hot Dipped Galvanized Steel Carriage Bolts, 50-Count Galvanized 1/4 inch x 2 inch carriage bolts For general applications 1/4 inch body diameter and thread pitch 2-inch fastener length Galvanized finish with Rust-Oleum certified rust protection