Grade 8 Zinc Yellow Plated Carriage Bolts 3/8-16X1 1/4 are high-strength fasteners designed for secure wood-to-wood connections. Crafted from Grade 8 steel and finished with a durable zinc yellow plating, they offer excellent load capacity and corrosion resistance for outdoor and heavy-duty projects. Each bolt features a 3/8-16 thread and a length of 1-1/4 inches, providing versatile fitment for a wide range of applications.

Key specifications

• Material: Grade 8 steel for superior strength
• Finish: Zinc yellow plating for corrosion resistance
• Thread size: 3/8-16
• Length: 1-1/4″ (1.25 in)
• Head type: Domed head with a square neck for secure seating in wood
• Applications: Ideal for wood-to-wood connections in outdoor furniture, decking, fencing, and heavy-duty framing

Installation & usage

For best results, pre-drill holes to accommodate the bolt diameter, align the parts, insert the carriage bolt, and secure with a nut and washer on the opposite side. The square neck helps prevent rotation during tightening and ensures a firm, flush fit in wood projects.