Value Collection 825160MSC Serrated Flange Bolt 1/2-13 Unc

Product Description

The VALUE COLLECTION 825160MSC is a serrated flange bolt designed for secure fastening in structural and mechanical assemblies. It features a 1/2-13 UNC thread with a 2-inch length under head and is fully threaded along its entire shank. The integrated serrated flange — 1.07 inches in diameter — distributes clamping load across a wider surface area while the serrations grip the mating surface to resist loosening under vibration. The bolt is manufactured from Grade 5 steel with a zinc-plated finish for basic corrosion resistance. It conforms to ASME B18.6.3 and SAE J429 standards. Suitable for installation by millwrights, maintenance mechanics, and general trade technicians working on equipment, frames, and structural connections.

This bolt is suited for light-to-medium structural assemblies, equipment mounting, machinery frames, and general mechanical applications where vibration resistance is a priority. The serrated flange eliminates the need for a separate lock washer in many installations, reducing hardware count and assembly time. Applications span industrial maintenance, HVAC equipment mounting, and general fabrication where UNC fasteners are specified.

Key Features

• 1/2-13 UNC thread for broad compatibility with standard inch-pattern hardware
• Fully threaded shank allows maximum engagement flexibility along the full 2-inch length
• Serrated flange (1.07 inches diameter) provides vibration-resistant clamping without a separate lock washer
• Grade 5 steel construction meets SAE J429 mechanical strength requirements
• Zinc-plated finish provides basic corrosion protection in dry indoor environments
• Conforms to ASME B18.6.3 and SAE J429 dimensional and material standards

Compatibility

Designed as a standard 1/2-13 UNC serrated flange bolt for use in any application specifying ASME B18.6.3 or SAE J429 compliant fasteners with a hex drive and serrated flange.

Installation Notes

Installation is performed by hand-threading followed by torquing with a standard hex wrench or socket driver rated for 1/2-inch fasteners. Verify that mating threads are clean and free of debris before installation. Do not exceed the torque rating appropriate for Grade 5 steel fasteners of this thread size as specified by applicable fastener standards. The serrated flange requires a flat, smooth mating surface for proper grip — avoid use on painted or coated surfaces where serration engagement may be compromised.