S-98594A421 19 mm ID x 34 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 resistance from polypropylene material prevents degradation in harsh industrial environments
- Precise dimensional stability with 19mm ID and 34mm OD ensures perfect fit for M18 screw applications
- Consistent load distribution through 3.0-3.3mm thickness protects surfaces and prevents fastener loosening
- Reliable performance with Rockwell R101 hardness maintains structural integrity under pressure
- Temperature resilience up to 150°F suitable for various operating conditions
- Regulatory compliance with RoHS 3 and REACH standards ensures environmental and safety adherence
- Non-conductive properties of polypropylene plastic provide electrical insulation where needed
Professional Applications & Engineering Value
This polypropylene flat washer delivers exceptional value in applications requiring chemical resistance and electrical insulation. The metric dimensions (19mm ID × 34mm OD × 3mm thickness) provide precise compatibility with M18 screws, ensuring secure fastening in assembly operations. Made from durable polypropylene plastic with Rockwell R101 hardness, these off-white washers maintain dimensional stability while resisting corrosion from chemicals, oils, and moisture. Ideal for industrial applications in electrical enclosures, food processing equipment, and chemical handling systems where metal washers might corrode or conduct electricity. The material's inherent properties prevent galvanic corrosion when used with dissimilar metals, extending equipment lifespan.
Specification Summary & Compliance
This flat washer features precise metric dimensions with 19mm internal diameter, 34mm outer diameter, and 3.0-3.3mm thickness, designed specifically for M18 screw size applications. Manufactured from polypropylene plastic with Rockwell R101 hardness rating, it maintains performance integrity across temperature ranges up to 150°F. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial and commercial applications.
