For structural integrity and superior corrosion resistance, choose FMW Fasteners' category of Domestic USA F436 Flat Washers, Hot Dipped Galvanized (HDG). These hardened steel washers are manufactured right here in the United States, ensuring the highest standards of quality, material traceability, and support for American manufacturing.
Structural F436 washers are specifically designed to meet or exceed the rigorous ASTM F436 specification for mechanical and dimensional requirements. They are the ideal component for use in high-strength structural bolting application.
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Ultimate Corrosion Resistance: The Hot Dipped Galvanized (HDG) finish provides a thick zinc coating, offering excellent long-term protection against rust and corrosion in outdoor, marine, industrial, or harsh environmental conditions.Domestic Quality Assurance: Sourcing Made in the USA F436 Washers guarantees you receive a reliable, traceable, and premium product built to the strictest domestic standards.
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Ideal Pairing: These washers are the recommended choice for use with A325 and A490 structural bolts and corresponding heavy hex nuts, creating a complete, high-performance structural fastening assembly.
Applications and Availability
Hot Dipped Galvanized F436 Flat Washers are essential for heavy construction, bridge building, steel fabrication, and any outdoor project demanding exceptional durability and a secure fit.
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