5/16″ Conquest USS Flat Washer 316 Stainless Steel

This 5/16″ USS washer features high-performance 316 stainless steel for use in corrosive or high-moisture environments. Its broad bearing surface distributes load evenly, helping prevent damage to mounting materials. Built to USS standards, its a trusted part in marine, chemical, and outdoor construction. A reliable fit with 5/16″ coarse-thread stainless bolts and nuts.

Ensure fasteners and washers share the same material and finish for proper fit and corrosion resistance.

5/16″ Stainless USS Washer for Coastal and Chemical Builds

Use this washer in framing, rail systems, or chemical facility installs where rust isnt an option. It performs under constant exposure to humidity, salt, or corrosive agents. USS sizing gives your hardware more support with less risk of pull-through. A field-tested option for long-lasting strength and protection.

Key Features

• 316 Stainless: Premium grade for high-corrosion environments.
• USS Spec: Wide OD and thicker build for tough installs.
• Precision Fit: Compatible with 5/16″ coarse-thread bolts.
• Long-Term Performance: Resists pitting and chemical damage.
• All-Weather Use: Suitable for year-round outdoor exposure.

Common Applications

• Handrails and fencing
• Outdoor brackets and mounts
• Food and beverage equipment
• Mechanical enclosures
• Chemical processing units

Installation Tips

• Use with matching nuts and bolts made from 316 stainless steel.
• Position washer flat under the nut or bolt head.
• Torque fasteners evenly for maximum seal and load distribution.