Value Collection 781480PS Carriage Bolt 1/2-13 6in Square Neck Ss

Product Description

The VALUE COLLECTION 781480PS is a 1/2-13 UNC carriage bolt with a 6-inch length under the head, featuring a square neck and a domed, unthreaded head profile. Manufactured from 18-8 stainless steel with a bright, uncoated finish, this fastener delivers solid corrosion resistance in wet or outdoor environments. The square neck seats into a pre-drilled square hole or bites into wood to resist rotation during installation, eliminating the need for a wrench on the bolt end. This fastener is used by contractors, plumbers, HVAC technicians, and electricians wherever a clean, tamper-resistant through-bolt connection is required.

Carriage bolts in this size range are commonly used in wood-to-wood, wood-to-metal, and structural framing connections in both residential and light commercial applications. Typical install scenarios include equipment mounting, pipe hangers, electrical panel supports, mechanical room framing, and outdoor structural assemblies where stainless steel is specified for corrosion performance. The 1/2-13 UNC thread pattern accepts standard 1/2-13 hex nuts and washers available from most trade suppliers.

Key Features

• 1/2-13 UNC thread for compatibility with standard inch-series nuts and hardware
• 6-inch length under head provides ample grip length for thick stock or stacked materials
• Square neck resists rotation during nut tightening without requiring a wrench on the bolt
• 18-8 stainless steel construction for corrosion resistance in wet or outdoor service
• Bright, uncoated finish — no risk of coating flaking or interfering with thread engagement

Compatibility

Designed as a standard inch-series carriage bolt for use with 1/2-13 UNC hex nuts, flat washers, and lock washers in wood, metal, and composite structural connections.

Installation Notes

Installation is typically performed by a licensed contractor, plumber, or electrician during rough-in or equipment mounting phases. Drill a clean through-hole sized to the bolt shank diameter so the square neck seats flush and locks against rotation. Torque the mating nut using a standard combination or socket wrench to the value specified by the structural engineer or equipment manufacturer. Inspect the seating surface for burrs that could prevent the neck from seating fully, which would allow the bolt to spin under load.