S-92217A616 10.9 mm ID x 19.8 mm OD ASME B18.22M ASME Washers

Key Features & Benefits at a Glance

• Corrosion-resistant performance with 18-8 stainless steel construction, ideal for humid or chemically aggressive environments
• Precise dimensional fit for M10 screws with 10.9mm ID and 19.8mm OD, ensuring secure fastening and load distribution
• Enhanced assembly durability through consistent 1.6-2.3mm thickness, providing reliable spacing and vibration resistance
• Industry-standard compliance with ASME B18.22M specifications, guaranteeing interchangeability and mechanical reliability
• Environmental responsibility with full RoHS 3 and REACH compliance, meeting strict regulatory requirements for hazardous substances
• Broad industrial applicability due to metric sizing and stainless steel material, suitable for machinery, automotive, and construction assemblies

Professional Applications & Engineering Value

This M10 metric flat washer delivers critical engineering value by addressing common industrial fastening challenges. The 18-8 stainless steel material provides exceptional corrosion resistance, preventing degradation in demanding environments such as outdoor equipment, marine applications, or chemical processing plants. Its precise 10.9mm internal diameter ensures a snug fit on M10 screws, eliminating play and improving load distribution across connected surfaces. The 19.8mm outer diameter offers optimal surface coverage, reducing stress concentration and preventing embedding in softer materials. By complying with ASME B18.22M, these washers maintain dimensional consistency for reliable performance in repetitive assembly operations, automotive subsystems, and heavy machinery where vibration loosening is a concern. The combination of metric sizing and robust material makes them indispensable for international engineering projects requiring durable, environmentally compliant components.

Specification Summary & Compliance

This flat washer conforms to ASME B18.22M dimensional standards with an internal diameter of 10.9mm, outer diameter of 19.8mm, and thickness ranging from 1.6mm to 2.3mm. Manufactured from 18-8 stainless steel, it is designed for use with M10 screw sizes. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring adherence to environmental regulations for hazardous substance restrictions.