Dottie FW516 Washer, 5/16" Uss Flat Washer

Ensure dependable, long-lasting fastenings for security, surveillance and general construction tasks with the Dottie FW516 5/16 USS flat washer. Designed to increase the surface area beneath fasteners, this washer helps prevent pull-through, evenly distributes clamping force and reduces loosening from vibration—critical benefits when mounting cameras, racks, network gear and other monitoring equipment.

Manufactured from unhardened carbon steel and zinc-plated for corrosion resistance, the FW516 meets ASME B18.21.1 manufacturing standards and is supplied in a convenient 100-piece pack for job-site efficiency. The 5/16 USS size offers broad compatibility with common bolts and screws used in low-voltage, IT and physical security installations.

Ideal for contractors and facility teams who need reliable hardware that protects surfaces and maintains secure connections under vibration and load, the Dottie FW516 washer streamlines installations and reduces callbacks. Add these zinc-plated flat washers to your next security or network project for stable, professional results—order now or specify them for recurring procurement.

• Increases bearing surface to prevent bolt or screw pull-through and protect mounting surfaces
• Evenly distributes clamping force for consistent, reliable connections in security and surveillance installs
• Zinc-plated carbon steel construction resists corrosion and extends service life in indoor environments
• Minimizes loosening from vibration to keep monitoring and network hardware securely fastened
• Pack of 100 supports efficient installation, reduces reordering, and simplifies inventory on job sites