S-98363A121 30 mm ID x 98 mm OD DIN 440-R Oversized Washers

Key Features & Benefits at a Glance

• Exceptional load distribution with a large 98mm outer diameter to prevent surface damage and loosening under heavy loads
• Superior material strength from steel construction with Rockwell B50 hardness for reliable, long-lasting performance in demanding environments
• Precise dimensional fit with a 30mm inner diameter designed specifically for M27 screws, ensuring secure and accurate assembly
• Guaranteed interchangeability by conforming to the DIN 440-R standard, facilitating seamless integration into existing metric systems
• Robust construction with a 5.0-7.0mm thickness range providing enhanced stability and vibration resistance
• Safe for regulated industries with full compliance to RoHS 3 and REACH, ensuring no hazardous substances are present
• Optimized for industrial use as a metric component, simplifying procurement and inventory for global engineering projects

Professional Applications & Engineering Value

This M27 flat washer is engineered to address critical challenges in industrial applications where vibration, high loads, and material integrity are paramount. Manufactured from steel and hardened to Rockwell B50, it resists deformation and wear, extending the life of fastened assemblies. The DIN 440-R specification ensures precise metric dimensions, including the 30mm ID and 98mm OD, which work together to distribute clamping force effectively, preventing joint failure and surface indentation. Its compliance with stringent environmental regulations like RoHS 3 and REACH makes it a trusted choice for sectors such as heavy machinery, construction, and automotive, where reliability and safety are non-negotiable.

Specification Summary & Compliance

This washer features precise dimensions: 30mm Inner Diameter, 98mm Outer Diameter, and a Thickness of 5.0-7.0mm, designed for M27 screw sizes. It conforms to the DIN 440-R standard, ensuring dimensional accuracy and performance. The product is manufactured from steel with a hardness of Rockwell B50 and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for industrial use.