5/16-18 x 1 Coarse Hex Cap Screws

These 5/16-18 x 1 Coarse Hex Cap Screws are crafted from premium silicon bronze alloy, providing exceptional corrosion resistance ideal for marine, coastal, and high-moisture environments. Their high-strength construction ensures reliable fastening performance, making them perfect for structural projects, woodworking, and boat-building applications. The hex head design allows for strong, consistent torque and easy installation using standard tools.

With excellent resistance to galling and seizing, these screws offer smooth assembly and a long-lasting service life. They are especially suited for marine hardware, electrical work, and fine woodworking where both durability and appearance are important. The silicon bronze finish not only enhances their aesthetic appeal but also contributes to their superior performance in demanding conditions.