S-92217A619 21.9 mm ID x 38.4 mm OD ASME B18.22M ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability
• Precise dimensional fit with 21.9mm ID and 38.4mm OD, ensuring proper alignment and load distribution for M20 screws
• Enhanced durability from a thickness of 3.0-4.0mm, providing consistent performance under heavy-duty industrial loads
• Guaranteed interchangeability through compliance with ASME B18.22M standards, reducing assembly errors and downtime
• Environmental responsibility with RoHS 3 and REACH compliance, meeting strict regulatory requirements for industrial components
• Versatile industrial application in machinery, construction, and automotive assemblies where corrosion resistance and strength are critical

Professional Applications & Engineering Value

This M20 flat washer is engineered to address common industrial challenges such as fastener loosening, surface damage, and corrosion-induced failure. Crafted from 18-8 stainless steel, it offers excellent resistance to rust and chemicals, making it suitable for outdoor, marine, and chemical processing equipment. The metric dimensions (21.9mm ID x 38.4mm OD) and ASME B18.22M compliance ensure precise fit and reliable performance in high-vibration environments, reducing maintenance needs and extending equipment life. Its robust design supports even load distribution, preventing bolt head embedding and protecting sensitive surfaces in industrial assemblies.

Specification Summary & Compliance

This flat washer features metric dimensions: Inner Diameter 21.9mm, Outer Diameter 38.4mm, and Thickness 3.0-4.0mm, designed for M20 screw sizes. It conforms to ASME B18.22M standards for dimensional accuracy and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets environmental and safety regulations for industrial use.