Value Collection CAI506201750-025BX Carriage Bolt 5/8-11

Product Description

The VALUE COLLECTION CAI506201750-025BX is a 5/8-11 UNC carriage bolt with a 1-3/4 inch length under head and a square neck profile. The square neck seats into the workpiece during installation to prevent rotation without requiring a wrench on the bolt head. This fastener is manufactured from Grade 5 steel with a zinc-plated finish that provides baseline corrosion resistance. It is a standard inch-system fastener suited for structural and general assembly work in construction, HVAC equipment mounting, plumbing support systems, and similar trade applications.

This carriage bolt is used where a smooth, round head and a self-locking square neck are required to join wood, metal, or composite materials. It is commonly installed in wood-to-wood and wood-to-metal connections, equipment support frames, strut channel assemblies, and utility rack systems. The 5/8-11 thread size is a heavy-duty general-purpose thread widely used in structural fastening across residential and light commercial jobsites. This fastener ships individually and can be ordered in single-unit quantities.

Key Features

• 5/8-11 UNC thread for broad compatibility with standard nuts and threaded hardware
• 1-3/4 inch length under head for controlled grip range in structural connections
• Square neck profile resists rotation during tightening without a secondary tool on the head
• Grade 5 steel construction provides elevated tensile strength over Grade 2 fasteners
• Zinc-plated finish for basic corrosion protection in interior and dry-environment applications

Compatibility

Designed as an OEM-style replacement or new-installation fastener for standard 5/8-11 UNC applications in structural assemblies, equipment supports, and general-purpose bolted connections.

Installation Notes

This fastener is installed by pulling the square neck into a pre-drilled square or round hole so the neck seats flush and prevents bolt rotation. A standard hex nut and wrench are used to apply torque from the nut side only. Always pre-drill the correct clearance hole diameter to ensure the square neck seats properly without splitting the material. Follow applicable structural fastening standards for the specific assembly being built.