Grade 8 Zinc Yellow Plated Carriage Bolts 5/16-18×1-1/4 are high-strength fasteners designed for durable, outdoor-ready connections in wood and metal assemblies. The combination of Grade 8 steel and a zinc yellow plating delivers superior strength and corrosion resistance for long-lasting performance.

Specifications include a 5/16-18 thread size and an overall length of 1-1/4 inch, with a domed carriage head and a square neck to prevent rotation during tightening.

Ideal for decks, fences, heavy-duty woodworking, machinery mounting, and other projects requiring a strong, secure fastening. The zinc yellow finish provides a bright, attractive appearance while helping resist corrosion in moderate outdoor environments.

• Material and Strength: Grade 8 steel bolts for high tensile strength
• Finish: Zinc yellow plated for corrosion resistance and a distinctive gold-toned appearance
• Size: 5/16″-18 thread; length 1-1/4″
• Head Type: Domed carriage head with a square neck for anti-rotation
• Applications: Wood-to-wood, wood-to-metal fastening, outdoor construction, machinery mounting
• Installation: Use with matching nuts and washers; pre-drill pilot holes as needed

Choose these Grade 8 Zinc Yellow Plated Carriage Bolts 5/16-18×1-1/4 for dependable strength, straightforward installation, and a finish that looks great in any project.