S-98594A312 3.2 mm ID x 8 mm OD 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
- Chemical and moisture resistance from polypropylene construction prevents corrosion in harsh environments
- Consistent load distribution with precise 3.2mm ID ensures secure M3 screw fit and reduced surface damage
- Electrical insulation properties make these washers ideal for electronic assemblies and prevent current leakage
- Lightweight durability with Rockwell R85 hardness maintains structural integrity under repeated use
- Thermal stability up to 150°F allows reliable performance in moderate heat applications
- Regulatory compliance with RoHS 3 and REACH standards ensures safe use in global industrial markets
- Cost-effective sealing solution with 0.7-0.9mm thickness provides optimal spacing without material waste
Professional Applications & Engineering Value
These M3 flat washers deliver critical engineering value through their polypropylene plastic composition, which solves common industrial pain points. The material's inherent resistance to chemicals, solvents, and moisture prevents degradation in manufacturing environments where metal washers would corrode. The metric dimensions (3.2mm ID × 8mm OD) ensure perfect compatibility with M3 screw assemblies while the controlled thickness (0.7-0.9mm) maintains consistent spacing in precision equipment. As electrical insulators, these off-white washers prevent galvanic corrosion in electronic enclosures and provide reliable isolation in automotive, appliance, and control panel applications where electrical safety is paramount.
Specification Summary & Compliance
This flat washer maintains precise metric dimensions with 3.2mm internal diameter, 8mm outer diameter, and 0.7-0.9mm thickness range for consistent M3 screw compatibility. Manufactured from polypropylene plastic with Rockwell R85 hardness rating, it delivers reliable mechanical performance. The product fully complies with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations regarding chemical safety, making it suitable for international industrial supply chains and environmentally conscious manufacturing operations.
