[100 PKG] Structural Flat Washers F436 Made in USA 5/16 Sale

Engineered for heavy-duty structural connections, Structural Flat Washers F436 (Made in USA) support 5/16 in bolt applications. Designed to meet the ASTM F436 standard for structural washers, they distribute load across the joint and protect mating surfaces in critical assemblies.

Standard compliance: ASTM F436 structural washer specification ensures consistent thickness and diameter for reliable performance.

Made in the USA: Manufactured domestically to high-quality standards.

5/16 in compatibility: Optimized for 5/16 in bolt systems, providing a proper fit and secure load distribution.

Versatile design: Flat washer geometry suited for a wide range of structural applications and equipment assemblies.

Whether you’re repairing, upgrading, or designing steel frames, machinery mounts, or heavy equipment, these F436 washers deliver dependable support where it matters most. Add them to your fastener kit for consistent performance and long-lasting reliability.