[300 BULK] Structural Flat Washers Medium Carbon HDG F436 1 3/8 X 2 3/4

Structural Flat Washers — Medium Carbon Steel, Hot-Dip Galvanized (HDG), F436, size 1 3/8 x 2 3/4. This premium washer is engineered to distribute loads, protect surfaces, and extend the life of structural connections.

Designed to meet F436 standards, these washers provide reliable bearing surfaces for high-load bolted assemblies in structural steel applications. The HDG finish offers superior corrosion resistance for outdoor and damp environments, making them ideal for construction, infrastructure, and industrial projects.

Key specifications

• Material: Medium Carbon Steel
• Finish: Hot-Dip Galvanized (HDG)
• Standard: F436
• Size: Inner diameter 1 3/8 in, Outer diameter 2 3/4 in
• Purpose: Distributes load, reduces surface wear, helps prevent pull-through in bolted connections

Applications include structural steel framing, outdoor construction, machinery mounting, and any project requiring a robust, corrosion-resistant washer that can handle heavy loads.

Why choose HDG structural flat washers? The hot-dip galvanized coating delivers long-lasting corrosion protection, compatibility with standard bolts, and straightforward installation with no special tools required.