3/8″ Conquest USS Flat Washer 316 Stainless Steel

This 3/8″ USS flat washer is built from 316 stainless steel to withstand tough marine, chemical, or outdoor environments. Its extra-wide diameter helps spread load across larger areas, reducing fastener stress. Ideal for structural, mechanical, or industrial use. Compatible with 3/8″ coarse-thread stainless bolts and nuts.

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

3/8″ Stainless USS Washer for High-Exposure Fastening

Use this washer to reinforce joints exposed to vibration, moisture, or corrosive agents. It maintains integrity even after years in harsh conditions. USS sizing ensures strong surface coverage and lasting stability. A go-to part in decks, plants, and marine projects.

Key Features

• Corrosion Resistant: 316 stainless ideal for water and chemical exposure.
• USS Pattern: Covers more area for added reinforcement.
• Fits Standard Bolts: Made for 3/8″ coarse-thread fasteners.
• Strength Under Load: Performs under vibration and tension.
• Marine and Industrial Rated: Built for jobsite longevity.

Common Applications

• Seaside framing projects
• Outdoor HVAC installs
• Pump or tank brackets
• Corrosive environment equipment
• Food-grade machinery

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.