A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts 1/2-13 x 8 1/2 are rugged fasteners designed for reliable performance in wood-to-wood connections and structural assemblies. Manufactured from A307 Grade A steel and featuring a hot-dipped galvanized coating, they provide durable corrosion resistance for outdoor and damp environments.

Specifications: Diameter 1/2 inch; Threads 13 per inch; Length 8 1/2 inches. Coarse threads provide quick installation and strong engagement.

Applications include outdoor decks, fences, sheds, and other projects where dependable fasteners and long-lasting protection are important.