Value Collection C39876 Uss Flat Washer 5/8 Inch Steel

Product Description

The VALUE COLLECTION C39876 is a USS flat washer designed for use with 5/8-inch fasteners in general mechanical and structural assembly applications. Manufactured from Grade 8 steel with a zinc-plated finish, this washer provides corrosion resistance and load distribution across a wide bearing surface. It measures 11/16 inches inner diameter, 1-3/4 inches outer diameter, and 9/64 inches thick. The USS series is the wider-pattern standard, making it suitable where a larger bearing surface is required to spread clamping load or protect softer substrate materials. Sold individually, with a minimum order quantity of 50 units.

This washer is used in residential, commercial, and light industrial fastening applications where a 5/8-inch bolt or screw passes through a surface requiring load distribution. Common installation scenarios include structural framing connections, equipment mounting, and general mechanical assembly. The zinc plating provides basic corrosion protection for indoor and sheltered outdoor environments. The USS wide-pattern OD makes this washer a common choice when working with oversized clearance holes or softer base materials such as wood or plastic.

Key Features

• USS flat washer pattern — wider OD than SAE standard for greater load distribution
• Grade 8 steel construction for high-strength fastening applications
• Zinc-plated finish provides corrosion resistance in sheltered environments
• 11/16-inch ID fits standard 5/8-inch fasteners with appropriate clearance
• 1-3/4-inch OD spreads clamping load across a broad bearing surface
• 9/64-inch thickness provides consistent seating and minimal stack height

Compatibility

Designed for use with 5/8-inch screws and bolts conforming to USS flat washer dimensional standards. Suitable for use with hex cap screws, hex bolts, and threaded rod of the same nominal diameter in standard inch-measurement fastener assemblies.

Installation Notes

Install with the washer seated flat and centered on the fastener before tightening. Ensure the mating surface is clean and free of debris to maintain consistent clamping force. Follow applicable torque specifications for the fastener grade and joint material. Always use appropriate personal protective equipment when working with high-strength fasteners under load.