S/S Flat Washers - 7/16 ID x .812 OD (2)

ARP Stainless Steel flat washers (7/16 ID × .812 OD) are precision-engineered fastening components designed for applications requiring corrosion resistance and durability in demanding environments. This two-piece set features a chamfered design with a polished finish, delivering both functional integrity and professional appearance in critical assembly work.

Each washer measures 0.438 inches in inner diameter and 0.812 inches in outer diameter with a 0.12-inch thickness, engineered to distribute fastener load across a wider surface area and prevent surface deformation. The stainless steel construction resists oxidation and corrosion in salt spray, moisture-heavy, and chemically aggressive environments—critical for aerospace, marine, automotive restoration, and tactical equipment assembly. The chamfered edge reduces sharp contact points, improving ease of installation while protecting surrounding materials from edge-related wear.

Bolt and fastener specialists, firearms manufacturers, heavy equipment builders, and precision-assembly operations rely on ARP washers for repeatable load distribution and longevity. The polished finish meets aesthetic standards for visible assemblies while the stainless material ensures long-term performance in corrosive service. Pair these washers with corresponding fasteners to establish secure, professional-grade joints that withstand vibration, thermal cycling, and environmental stress.

ARP fastening components are trusted in motorsports, aerospace, and precision engineering where washer performance directly impacts assembly integrity. This two-washer set delivers the reliable load-bearing performance expected from ARP's fastener engineering, with stainless steel durability rated for long-term outdoor and industrial use.