S-92217A470 0.281" ID x 0.5" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• Precise dimensional fit with 0.281" ID and 0.5" OD, ensuring secure seating and uniform load distribution for 1/4" screws.
• Enhanced durability from the robust stainless steel material, providing excellent wear resistance in demanding applications.
• Guaranteed quality and interchangeability by conforming to ASME B18.21.1 standards, ensuring consistent performance.
• Environmental compliance with RoHS 3 and REACH regulations, making it safe for various industrial uses.
• Reliable load bearing surface due to the flat washer design, helping to prevent fastener loosening and surface damage.
• Broad compatibility with inch-system hardware, simplifying sourcing and assembly in standard industrial and construction projects.

Professional Applications & Engineering Value

This 18-8 Stainless Steel flat washer is engineered to address common industrial challenges such as corrosion, vibration, and uneven load distribution. Its corrosion-resistant properties make it suitable for outdoor, marine, and chemical-exposed environments, reducing maintenance and replacement costs. The precise 0.281" ID and 0.5" OD dimensions ensure a perfect fit for 1/4" screw applications, providing a stable bearing surface that minimizes stress concentration and prevents joint failure. Commonly used in construction, machinery assembly, and automotive industries, this washer enhances the longevity and reliability of fastened connections, supporting critical engineering requirements for safety and performance.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.281", outer diameter of 0.5", and thickness ranging from 0.056" to 0.071", designed for use with 1/4" screws in the inch system. It conforms to the ASME B18.21.1 standard, ensuring dimensional accuracy and mechanical consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its safety and sustainability for industrial procurement.