Value Collection 31417 Uss Flat Washer 5/8 in Steel Zinc

Product Description

The VALUE COLLECTION 31417 is a USS flat washer designed for use with 5/8-inch screws and fasteners in general industrial, mechanical, and trade applications. Manufactured from steel with a zinc-plated finish, this washer provides a broad bearing surface to distribute load and reduce pull-through on bolted connections. The USS (United States Standard) pattern specifies a larger outer diameter relative to the screw size compared to SAE washers, making it well suited for applications where additional load distribution or spanning of oversized holes is required. Licensed plumbers, electricians, HVAC technicians, and general tradespeople regularly use USS flat washers during equipment installation, pipe support, and structural fastening tasks.

This washer fits standard 5/8-inch fastener assemblies and is appropriate for residential and light commercial construction, mechanical equipment mounting, conduit and pipe support hangers, and general maintenance applications. The zinc plating provides baseline corrosion resistance for indoor and sheltered outdoor environments. Sold individually, it is suitable for single-unit repair work or as a replacement washer in existing assemblies.

Key Features

• USS pattern provides a larger outer diameter for increased load distribution compared to SAE washers
• Steel construction offers reliable strength for standard fastening applications
• Zinc-plated finish delivers baseline corrosion resistance in indoor and sheltered environments
• 11/16-inch inner diameter fits 5/8-inch screw shanks with standard clearance
• 1-3/4-inch outer diameter spans oversized holes and distributes clamping load across a wider surface
• Consistent 0.1406-inch thickness conforms to USS dimensional standards

Compatibility

Designed as a standard USS flat washer for use with 5/8-inch screws and bolts in general mechanical, electrical, plumbing, and HVAC fastening applications.

Installation Notes

Install with the washer seated flat against the mating surface before torquing the fastener. Ensure the inner diameter clears the fastener shank without binding. For outdoor or high-moisture environments, consider a stainless or hot-dip galvanized washer in place of zinc-plated hardware. Follow applicable codes and fastener manufacturer guidelines when specifying washers in structural or load-bearing assemblies.