Structural washers are thick, hardened steel washers used in critical bolted connections, especially when paired with structural bolts and nuts. Designed to provide a larger bearing surface and reduce preload loss in steel structures.

✅ Features:

• Conforms to ASTM F436 standards

• Heat-treated for hardness and durability

• Compatible with A325 and A490 bolts

• Available in plain, zinc-coated, or hot-dip galvanized finishes

🔧 Applications:

• Steel frame construction

• Bridge and infrastructure joints

• High-load bolted connections

• Wind turbines, towers, and heavy equipment

📦 Sizes available: M12 to M36 | Custom specs on request