S-95211A204 13.5 mm ID x 44 mm OD DIN 440-R Oversized Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments.
• Reliable load distribution due to the precise 44mm outer diameter, protecting surfaces and preventing fastener embedment.
• Secure fit for M12 screws with a 13.5mm inner diameter, ensuring stable assembly and reducing loosening risks.
• Durable performance from a thickness range of 3.4-4.6mm, providing consistent spacing and vibration resistance.
• Guaranteed dimensional accuracy through compliance with the DIN 440-R standard, ensuring interchangeability and ease of installation.
• Safe for regulated industries with full RoHS 3 and REACH compliance, meeting strict environmental and health standards.
• Long-term reliability in demanding applications, thanks to the material's superior pitting and crevice corrosion resistance.

Professional Applications & Engineering Value

This M12 flat washer is engineered to solve critical challenges in industrial applications where exposure to corrosive agents, moisture, and high stress is common. The 316 stainless steel material offers superior resistance to chlorides and acids, making it an optimal choice for chemical processing, marine equipment, and offshore installations. Its DIN 440-R design ensures a robust build that distributes clamping force evenly, preventing surface damage and maintaining joint integrity under dynamic loads. By utilizing this metric washer, engineers can enhance the longevity of assemblies in heavy-duty settings, reducing maintenance frequency and downtime. The precise 13.5mm ID and 44mm OD dimensions facilitate quick integration with M12 screws, streamlining procurement and installation processes in global projects.

Specification Summary & Compliance

This flat washer conforms to DIN 440-R standards, with an inner diameter of 13.5 mm, outer diameter of 44 mm, and thickness ranging from 3.4 to 4.6 mm, tailored for M12 screw sizes. It is manufactured from 316 stainless steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements for industrial use.