S-95225A114 3.7 mm ID x 7.8 mm OD DIN 125 Plastic Washers
Plastic Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior electrical insulation prevents current leakage and short circuits in sensitive equipment
- Excellent thermal resistance maintains structural integrity in environments up to 230°F (110°C)
- Rockwell R70 hardness provides exceptional durability and resistance to compression set under load
- Corrosion-resistant hard fiber material ensures long service life without rust or degradation
- Precision DIN 125 dimensions (3.7mm ID × 7.8mm OD) guarantee perfect fit with M3.5 fasteners
- Environmentally compliant construction meets RoHS 3 and REACH standards for safe industrial use
- Consistent 0.5-0.6mm thickness ensures reliable load distribution and vibration resistance
Professional Applications & Engineering Value
This hard fiber flat washer delivers critical performance where metal fasteners fail. The hard fiber material provides essential electrical insulation in control panels, motor assemblies, and electronic enclosures, preventing galvanic corrosion between dissimilar metals. Its black color offers UV resistance for outdoor applications, while the DIN 125 specification ensures dimensional precision for automated assembly. The Rockwell R70 hardness maintains sealing integrity under vibration, making it ideal for automotive, electrical, and machinery applications where thermal stability and corrosion resistance are paramount. The combination of high-temperature tolerance and environmental compliance makes this metric washer suitable for regulated industries requiring documented material safety.
Specification Summary & Compliance
Manufactured to DIN 125 standards with precise internal diameter (3.7mm) and outer diameter (7.8mm) dimensions compatible with M3.5 screw sizes. Features consistent thickness range of 0.5-0.6mm and Rockwell R70 hardness rating for reliable performance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global markets. Maximum operating temperature rated at 230°F for thermal applications.
