S-93849A211 17.5 mm ID x 56 mm OD DIN 440-R Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and extending service life
• Enhanced load distribution with a large 56mm outer diameter, minimizing surface stress and preventing material damage
• Precise fit for M16 screws with a 17.5mm inner diameter, ensuring secure fastening and reducing installation errors
• Robust durability with a substantial 4.0-6.0mm thickness, providing reliable performance under heavy-duty conditions
• Guaranteed dimensional consistency through compliance with DIN 440-R specifications, ensuring interchangeability and ease of assembly
• Safe for sensitive applications with RoHS 3 and REACH compliance, meeting strict environmental and health regulations
• Broad industrial compatibility as a metric component, suitable for global machinery and equipment standards

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this M16 flat washer addresses common challenges like fastener loosening and surface corrosion. The 18-8 stainless steel material offers excellent resistance to rust and chemical exposure, making it perfect for outdoor machinery, marine equipment, and chemical processing plants where moisture and corrosive agents are prevalent. Its DIN 440-R design ensures a standardized fit and consistent performance, reducing the risk of assembly failures. The large outer diameter effectively distributes clamping force, protecting soft materials and painted surfaces from indentation. This metric flat washer is a reliable solution for maintaining bolt tension and enhancing the longevity of industrial assemblies, providing peace of mind in critical applications.

Specification Summary & Compliance

This washer conforms to DIN 440-R standards, with precise dimensions including an ID of 17.5mm, OD of 56mm, and thickness ranging from 4.0-6.0mm, tailored for M16 screw sizes. It is manufactured from 18-8 stainless steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial use.