Value Collection FWUIS300G-010BX Uss Flat Washer 3 Inch

Product Description

The VALUE COLLECTION FWUIS300G-010BX is a USS-pattern flat washer designed for use with 3-inch screw fasteners. Manufactured from Grade 2 steel with a galvanized finish, it provides corrosion resistance in demanding installation environments. The washer measures 3.115 inches inside diameter, 5.565 inches outside diameter, and 0.327 inches thick, conforming to ASME B18.21.1 dimensional standards. It weighs approximately 1.3 pounds per unit. Plumbers, pipefitters, electricians, and general construction tradespeople use USS flat washers to distribute load under bolt heads and nuts, protecting surfaces and improving fastener holding strength in structural and mechanical assemblies.

This washer is suited for heavy-duty bolted connections in residential and commercial construction, mechanical equipment mounting, plumbing support structures, electrical panel and conduit installations, and general industrial maintenance applications. The larger USS-pattern outer diameter compared to SAE washers makes it appropriate where load distribution across a wider bearing surface is required, such as wood framing connections, equipment bases, and structural steel assemblies.

Key Features

• USS flat washer pattern for maximum load distribution under fastener heads and nuts
• Grade 2 steel construction for reliable mechanical strength in standard-duty applications
• Galvanized finish for corrosion resistance in moisture-exposed or outdoor environments
• Conforms to ASME B18.21.1 dimensional standards for consistent fit and interchangeability
• 3.115 inches inside diameter with 5.565 inches outside diameter and 0.327 inches thickness

Compatibility

Designed for use with 3-inch nominal screw or bolt fasteners following USS flat washer dimensional standards per ASME B18.21.1. Suitable for inch-system fastener assemblies in general construction and mechanical installations.

Installation Notes

USS flat washers are installed by general construction tradespeople, plumbers, pipefitters, and electricians as part of bolted fastener assemblies. Place the washer between the fastener head or nut and the mating surface before torquing. Verify that the inside diameter clears the bolt shank and that the outside diameter provides adequate bearing surface for the application. Follow applicable structural or mechanical codes for fastener torque requirements specific to your assembly.