1-1/2″ Conquest USS Flat Washer Plain Finish

This 1-1/2″ USS washer is built for large-scale fastening systems requiring maximum support and alignment stability. It spreads the force of heavy bolts across a wide surface, reducing stress on structural materials. Plain steel finish makes it ideal for controlled, non-corrosive environments. Commonly used with 1-1/2″ coarse-thread bolts and nuts in critical applications.

For best results, always match your washer, bolt, and nut material and finish to ensure proper fit and performance.

1-1/2″ USS Washer for Heavy Structural and Mechanical Support

Perfect for bridge work, structural tie-ins, or machinery anchoring, this washer holds steady under high tension. The thick profile keeps it from distorting under pressure. Use it in heavy equipment fabrication, foundation work, or industrial installations. Built to provide unwavering performance where it counts.

Key Features

• Massive Load Distribution: Designed for structural-grade fasteners.
• Plain Steel Construction: Best for dry indoor use.
• USS Standard: Wider and thicker than SAE equivalents.
• 1-1/2″ Inner Diameter: Fits large coarse-thread bolts.
• High-Stress Tolerance: Performs under continuous torque and vibration.

Common Applications

• Bridge or foundation bolt setups
• Large machinery bases
• Structural steel reinforcement
• Utility system construction
• Heavy-frame installations

Installation Tips

• Use with matching bolts and nuts for proper load distribution.
• Position washer between fastener head and material surface.
• Tighten to torque spec to prevent loosening or material damage.