S-95630A670 8.4 mm ID x 18 mm OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature performance – withstands up to 500°F for reliable operation in demanding thermal environments
• Superior chemical resistance – PTFE material provides excellent protection against corrosive substances and harsh industrial conditions
• Consistent dimensional stability – precise 8.4mm ID and 18mm OD ensures perfect fit with M8 screws and uniform load distribution
• Optimal hardness and durability – Durometer 51D rating offers ideal balance between flexibility and mechanical strength for long service life
• Regulatory compliance assurance – meets RoHS 3 and REACH standards for safe, environmentally responsible use in global markets
• Reliable thickness control – 1.9-2.2mm thickness range provides consistent spacing and vibration damping performance
• Non-contaminating white PTFE construction – maintains purity in sensitive applications while resisting moisture and UV degradation

Professional Applications & Engineering Value

This M8 PTFE flat washer delivers critical engineering solutions where standard washers fail. The PTFE plastic construction provides inherent chemical resistance against aggressive solvents, acids, and bases, making it ideal for chemical processing, pharmaceutical, and food manufacturing equipment. The metric dimensions (8.4x18mm) ensure precise compatibility with M8 screw assemblies while the high-temperature rating of 500°F enables reliable performance in automotive, aerospace, and industrial heating systems. The material's low friction coefficient reduces galling and seizing issues in dynamic applications, while the white color allows for easy inspection and identification in complex assemblies. These plastic washers effectively eliminate galvanic corrosion concerns when used with dissimilar metals, extending equipment lifespan in corrosive environments.

Specification Summary & Compliance

This metric flat washer features precise dimensions with 8.4mm inner diameter, 18mm outer diameter, and 1.9-2.2mm thickness range, engineered for M8 screw applications. Manufactured from PTFE plastic with Durometer 51D hardness, the washer maintains dimensional stability across its operational range. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety. The manufacturing process adheres to standard metric specifications for consistent performance in industrial fastening systems.