Value Collection CAI505003000-050BX Carriage Bolt 1/2-13 3in

Product Description

The VALUE COLLECTION CAI505003000-050BX is a 1/2-13 carriage bolt with a 3-inch length under head, manufactured from Grade 5 steel with a zinc-plated finish. Carriage bolts feature a domed head and a square neck that bites into wood or soft material to prevent rotation during tightening, eliminating the need for a wrench on the bolt side. This bolt uses Unified National Coarse (UNC) thread standards. Weighing 0.186 pounds per unit, it is sized for structural and general-purpose fastening applications. Installation typically involves driving the square neck flush into the mating material before threading a nut from the opposite side.

This carriage bolt is suited for wood-to-wood and wood-to-metal connections in construction, framing, equipment mounting, and general structural assembly. The zinc plating provides baseline corrosion resistance for indoor and sheltered outdoor environments. Trade professionals in carpentry, electrical, HVAC equipment mounting, and general mechanical assembly will find this fastener appropriate for a wide range of panel, bracket, and frame connections. Sold as a box of 50 units (MOQ 50).

Key Features

• 1/2-13 UNC thread for compatibility with standard hex nuts and hardware
• 3-inch length under head for moderate-depth through-bolt applications
• Square neck design prevents bolt rotation during nut tightening
• Grade 5 steel construction for medium-strength structural fastening
• Zinc-plated finish for baseline corrosion resistance in sheltered environments
• Sold in a 50-count box to support job-site and shop inventory needs

Compatibility

Designed as a standard UNC 1/2-13 carriage bolt suitable for use with compatible 1/2-13 hex nuts, washers, and threaded inserts in wood, composite, and light-gauge metal panel applications.

Installation Notes

Installation is typically performed by hand or with a rubber mallet to seat the square neck flush into the mating material before applying a nut and washer on the threaded end. Use a standard wrench or socket to tighten the nut; the square neck prevents the bolt from spinning. Follow applicable structural codes for fastener torque and spacing requirements. Inspect threads for damage before installation and do not use an impact driver directly on the domed head.