Fast Shipping [100 PKG] Structural Flat Washers Medium Carbon Mechanical Galvanized F436 5/16

Engineered for strength and reliability, our Structural Flat Washers in Medium Carbon Steel are designed to distribute load evenly in heavy-duty bolted connections. Galvanized using a mechanical process, these F436 washers deliver durable corrosion resistance for structural and industrial applications. The 5/16″ sizing fits standard 5/16″ bolts, making them a versatile choice for construction, machinery, and retrofit projects.

Key Features

Material: Medium carbon steel

Finish: Mechanically galvanized for consistent, corrosion-resistant coverage

Standards: ASTM F436 structural washers

Type: Structural flat washers with flat bearing surfaces for load distribution

Size: 5/16″ bolt size

Applications: Ideal for structural connections, heavy-duty bolt assemblies, and load distribution in construction and machinery

Why Choose These Washers

Designed to meet the demands of robust assemblies, these washers minimize embedding, reduce wear on mating surfaces, and help maintain fastener integrity under high load. The mechanical galvanizing provides enhanced protection against rust while preserving the washer’s dimensions and flatness for consistent performance across jobs.

Specifications

Diameter/Size: 5/16″ bolt compatibility

Material Grade: Medium carbon steel

Coating: Mechanically galvanized

Compliance: ASTM F436