1-1/4″ Conquest F436 Flat Washer Hot Dip Galvanized

Built to handle extreme structural loads, this 1-1/4″ washer is hot dip galvanized for outdoor durability. It meets ASTM F436 specs and is designed to work with both coarse and fine thread galvanized A325/A490 bolts. The wide, thick body evenly spreads clamping force while minimizing surface wear. An essential part for long-term outdoor structural stability.

Use only with hot dip galvanized bolts and nuts to maintain thread fit and corrosion protection.

1-1/4″ Galvanized Washer for Structural Bolt Assemblies

This washer excels in bridge, industrial, and steel-frame projects where reliability under pressure is critical. The galvanized finish helps prevent rust and maintains performance through weather exposure. Engineered for consistent seating, it keeps bolts tight and surfaces protected. A rugged washer for heavy outdoor use.

Key Features

• ASTM F436 Standard: Compliant for structural fastener systems.
• HDG Finish: Rust-resistant coating for outdoor applications.
• Heavy-Duty Steel: Maintains strength under high torque loads.
• 1-1/4″ ID: Compatible with galvanized structural bolts.
• Wide Surface Coverage: Reduces risk of material deformation.

Common Applications

• High-tension bridge bolts
• Outdoor equipment framing
• Utility pole or sign anchoring
• Heavy baseplate connections
• Long-term industrial installs

Installation Tips

• Pair only with hot dip galvanized bolts and nuts for proper thread fit.
• Ensure washer is seated flat against the material surface for consistent load distribution.
• Torque per structural bolt specifications to maintain joint integrity.