[125 PKG] A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts 5/16-18 x 1 1/2

<p>Engineered for outdoor strength and dependable wood-to-wood connections, the A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts (5/16-18 x 1-1/2) deliver reliable performance in decking, fencing, timber framing, and other demanding projects. The hot-dip galvanized finish provides excellent corrosion resistance, while the coarse 5/16-18 threads offer solid bite in wood. Each bolt features a round carriage head with a square neck to prevent rotation during installation.</p> <h3>Key Features</h3><ul> <li><b>Material:</b> A307 Grade A steel for dependable strength and ductility.</li> <li><b>Finish:</b> Hot-dip galvanized coating for superior corrosion resistance in outdoor and damp locations.</li> <li><b>Thread:</b> Coarse 5/16-18 thread for quick, secure gripping in softwoods and many hardwoods.</li> <li><b>Size:</b> 5/16" diameter, 1-1/2" length (coarse thread standard).</li> <li><b>Head & Design:</b> Round carriage bolt head with square neck to prevent rotation during installation.</li> <li><b>Applications:</b> Ideal for decks, fences, timber framing, outdoor furniture, and other wood-to-wood assemblies.</li></ul> <h3>Applications</h3><ul> <li>Decking and outdoor living projects</li> <li>Fence construction and repairs</li> <li>Timber framing and structural wood connections</li> <li>Outdoor furniture and pergolas</li></ul> <h3>Specifications</h3><ul> <li><b>Diameter:</b> 5/16 in</li> <li><b>Thread:</b> Coarse 5/16-18</li> <li><b>Length:</b> 1-1/2 in</li> <li><b>Material:</b> A307 Grade A steel</li> <li><b>Finish:</b> Hot-dip galvanized</li> <li><b>Head style:</b> Round carriage bolt with square neck</li></ul>