Value Collection 31415 Uss Flat Washer 1/2 in Steel Zinc

Product Description

The VALUE COLLECTION 31415 is a USS flat washer designed for use with 1/2 inch fasteners in general industrial, mechanical, and construction applications. Made from steel with a zinc-plated finish, this washer distributes load across the bearing surface to reduce fastener pull-through and protect the mating material. It measures 9/16 inches inside diameter, 1-3/8 inches outside diameter, and 0.1094 inches thick. The zinc coating provides basic corrosion resistance for standard service environments. Plumbers, pipefitters, electricians, and general contractors use USS flat washers as everyday hardware in equipment assembly, conduit support, and structural fastening tasks.

This washer is suited for residential and commercial applications wherever a standard USS-pattern flat washer is required. The USS series uses a larger outside diameter relative to the screw size compared to SAE washers, making it the preferred choice when greater load distribution is needed. It is appropriate for use in mechanical assemblies, HVAC equipment mounting, electrical panel work, and general trade service applications that call for a 1/2 inch screw washer in steel.

Key Features

• USS washer pattern provides wider outside diameter for improved load distribution compared to SAE spec
• Steel construction offers solid strength for standard fastening applications
• Zinc-plated finish adds basic corrosion resistance for indoor and light-duty outdoor use
• 9/16 inch inside diameter fits 1/2 inch screw or bolt shanks with standard clearance
• 0.1094 inch thickness meets USS flat washer dimensional standards

Compatibility

Designed as a standard USS flat washer for use with 1/2 inch fasteners in general mechanical, construction, and trade service applications requiring the USS washer pattern in steel.

Installation Notes

Install using standard hand tools; ensure the washer seats flat against the bearing surface before torquing the fastener. Power down or de-energize any equipment before servicing fastener connections in electrical or mechanical assemblies. Follow applicable codes such as NEC for electrical installations or IFGC for gas equipment mounting hardware. Do not substitute a USS washer for an SAE washer where a specific outside diameter is required by the equipment manufacturer.