S-92217A621 32.5 mm ID x 55.5 mm OD ASME B18.22M ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and extended service life
• Precise fit for M30 screws with a 32.5mm inner diameter, ensuring secure fastening and load distribution
• Optimal surface coverage provided by the 55.5mm outer diameter, reducing surface pressure and preventing material damage
• Enhanced durability and reliability through compliance with the rigorous ASME B18.22M standard
• Safe for regulated industries with full compliance to RoHS 3 and REACH environmental directives
• Versatile thickness range (4.000mm-5.100mm) allows for application-specific selection to meet varying gap and preload requirements
• Broad industrial compatibility as a metric component, seamlessly integrating into global machinery and equipment designs

Professional Applications & Engineering Value

This M30 flat washer is engineered to address critical challenges in industrial assembly, such as joint loosening from vibration and surface damage from high bearing loads. Manufactured from 18-8 stainless steel, it offers excellent resistance to oxidation and chemical exposure, making it a reliable choice for outdoor equipment, food processing machinery, and marine applications. Its metric dimensions and adherence to ASME B18.22M ensure precise fit and consistent performance in heavy-duty bolted connections. The flat design effectively distributes clamp load, preventing fastener embedment and maintaining structural integrity under dynamic stresses, thereby reducing maintenance needs and enhancing operational safety.

Specification Summary & Compliance

This washer conforms to ASME B18.22M for dimensional accuracy and mechanical properties. It features a 32.5mm inner diameter, 55.5mm outer diameter, and thickness between 4.000mm and 5.100mm. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free of hazardous substances and suitable for use in environmentally conscious and regulated industrial sectors.