S-92217A228 0.812" ID x 2" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Precise dimensional fit with 0.812" inner diameter designed specifically for 3/4" screws, ensuring secure fastening and load distribution.
• Enhanced surface protection with a large 2" outer diameter, effectively preventing damage to connected materials and reducing stress concentration.
• Consistent thickness control between 0.090-0.112" for uniform performance and reliable spacing in assembled components.
• Industry-standard compliance with ASME B18.21.1, guaranteeing dimensional accuracy and interchangeability for engineering projects.
• Environmental regulation adherence through RoHS 3 and REACH compliance, ensuring safe usage in regulated markets and sustainable operations.
• Long-term durability in demanding applications, resisting rust and maintaining integrity under varying temperature and moisture conditions.

Professional Applications & Engineering Value

These 18-8 stainless steel flat washers deliver critical engineering value by addressing common industrial challenges such as material corrosion, fastener loosening, and surface damage. The inch-system dimensions (0.812" ID x 2" OD) provide optimal load distribution for 3/4" screw applications, preventing bolt embedment and maintaining joint integrity in heavy machinery, structural assemblies, and marine equipment. The ASME B18.21.1 compliance ensures precise manufacturing tolerances, while the stainless steel material offers excellent resistance to chemicals, moisture, and oxidation—making these washers ideal for industrial maintenance, construction projects, and corrosive environments where reliability is non-negotiable.

Specification Summary & Compliance

This flat washer meets ASME B18.21.1 dimensional standards with an inner diameter of 0.812", outer diameter of 2", and thickness range of 0.090-0.112" for consistent performance. Manufactured from 18-8 stainless steel, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability. Designed for use with 3/4" screws in inch-system applications, it provides reliable mechanical properties for industrial fastening requirements.