S-97310A138 25 mm ID x 50 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
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments and extending service life.
- Precise dimensional fit with 25mm ID and 50mm OD, ensuring reliable alignment and load distribution for M24 screw assemblies.
- Enhanced durability from a robust 9.0–11.0 mm thickness, providing excellent surface bearing and vibration resistance in heavy-duty applications.
- Guaranteed standardization through DIN 7349 compliance, ensuring consistent quality and interchangeability in metric fastener systems.
- Environmental and safety compliance with RoHS 3 and REACH regulations, supporting sustainable and safe manufacturing practices.
- Wide industrial applicability due to metric sizing and stainless steel material, suitable for machinery, construction, and automotive sectors.
Professional Applications & Engineering Value
This DIN 7349 flat washer is engineered to address critical challenges in industrial assemblies, such as preventing loosening under dynamic loads and protecting surfaces from galling. Crafted from passivated 18-8 stainless steel, it offers exceptional resistance to rust and chemical exposure, making it perfect for outdoor, marine, or high-moisture settings. The precise metric dimensions—25mm ID and 50mm OD—ensure a snug fit with M24 screws, distributing clamp load evenly to reduce stress concentrations and bolt fatigue. By complying with stringent DIN standards, this washer delivers reliable performance in heavy machinery, structural frameworks, and automotive systems, where failure prevention and long-term integrity are paramount.
Specification Summary & Compliance
This flat washer features a 25mm inner diameter, 50mm outer diameter, and 9.0–11.0 mm thickness, manufactured to DIN 7349 specifications for consistent metric threading and dimensional accuracy. It is made from passivated 18-8 stainless steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability in industrial applications.
