Grab Now [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.