Description
Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated (USA Made) 5/16-18 x 2 1/4 are engineered for demanding assemblies where strength and reliability matter. Manufactured in the USA from high-strength Grade 8 steel, these screws deliver exceptional performance in heavy equipment, automotive, and fabrication projects. The zinc yellow plated finish provides corrosion resistance and a durable, lubricious coating that helps reduce galling during installation.
- Grade 8 steel for maximum tensile strength and durability in tough environments.
- Zinc yellow plating (yellow-chromate) for corrosion resistance and a long-lasting finish.
- USA-made quality you can trust, with strict manufacturing standards.
- Size: 5/16-18 coarse thread for secure mating in thicker materials.
- Length: 2 1/4 inches to accommodate substantial joint thickness.
- Hex head design for easy driving with standard wrenches or sockets, reducing drive effort.
Ideal for automotive repairs, machinery assemblies, metal fabrication, and outdoor equipment where strong, reliable fasteners are essential. For best results, use with compatible nuts and washers and follow standard torque guidelines to avoid over-tightening.
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