S-96505A123 20 mm ID x 32 mm OD DIN 1440, ISO 8738 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 Load Distribution - 32mm outer diameter provides superior surface coverage to prevent component damage and loosening under vibration
- Precision Fit for M20 Fasteners - 20mm inner diameter ensures perfect compatibility with standard M20 screws and bolts
- Exceptional Durability - Steel construction with Rockwell B76 hardness offers reliable performance in demanding industrial environments
- Standardized Dimensions - Meets DIN 1440 and ISO 8738 specifications for consistent quality and interchangeability
- Environmental Compliance - RoHS 3 and REACH compliant for safe use across regulated industries
- Optimized Thickness Range - 3.7-4.3mm thickness provides ideal balance between strength and flexibility
- Corrosion Resistance - Steel material offers excellent protection against environmental degradation
Professional Applications & Engineering Value
This M20 flat washer delivers critical engineering value in applications where vibration resistance and load distribution are paramount. The steel construction with precise metric dimensions (20mm ID, 32mm OD) ensures optimal performance in heavy-duty industrial equipment, machinery assembly, and structural applications. Engineered to DIN 1440 and ISO 8738 standards, this washer prevents bolt loosening, protects surface materials from damage, and maintains joint integrity under dynamic loads. The Rockwell B76 hardness provides exceptional wear resistance, making it ideal for automotive, construction, and manufacturing applications where reliability cannot be compromised.
Specification Summary & Compliance
This metric flat washer features precise dimensional tolerances per DIN 1440 and ISO 8738 manufacturing standards, with 20mm inner diameter, 32mm outer diameter, and 3.7-4.3mm thickness range. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across international markets. Manufactured from high-quality steel with Rockwell B76 hardness rating, this washer meets rigorous industrial specifications for mechanical strength and dimensional accuracy.
