S-97310A121 19 mm ID x 44 mm OD DIN 7349 Oversized Washers
Oversized Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance through zinc plating, extending service life in demanding industrial environments
- Superior load distribution with 44mm outer diameter, preventing surface damage and joint loosening
- Precise M18 screw compatibility with 19mm inner diameter, ensuring secure fastening and reduced installation time
- Exceptional mechanical strength from Rockwell B76 hardness, maintaining integrity under high-stress conditions
- Reliable dimensional stability with 7.0-9.0mm thickness range, providing consistent performance in heavy-duty assemblies
- Guaranteed standardization through DIN 7349 compliance, ensuring interchangeability and engineering precision
- Environmental regulatory compliance with RoHS 3 and REACH standards, meeting global sustainability requirements
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these M18 flat washers provide critical solutions for vibration management and load distribution in machinery, structural steelwork, and automotive assemblies. The zinc-plated steel construction delivers reliable corrosion protection in humid or chemically aggressive environments, while the Rockwell B76 hardness rating ensures dimensional stability under sustained mechanical stress. Manufactured to DIN 7349 specifications, these metric flat washers guarantee precise fitment with M18 fasteners, eliminating play and reducing maintenance intervals in high-vibration settings. The 44mm outer diameter optimally distributes clamping forces, preventing surface indentation and protecting expensive components from damage.
Specification Summary & Compliance
This flat washer features precise metric dimensions with 19mm inner diameter, 44mm outer diameter, and 7.0-9.0mm thickness range. Manufactured according to DIN 7349 standards for dimensional accuracy and performance. The zinc-plated steel construction meets Rockwell B76 hardness requirements for mechanical durability. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, including the latest SVHC updates as of January 2023.
