S-98424A400 8.4 mm ID x 25 mm OD Finishing Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with zinc-plated steel construction for extended service life in demanding environments
• Perfect flush mounting achieved through precise 90° countersink angle that seamlessly integrates with matching screw heads
• Accurate M8 compatibility with 8.4mm inner diameter ensuring secure fit and optimal load distribution
• Enhanced bearing surface provided by 25mm outer diameter to prevent material damage and distribute pressure effectively
• Space-efficient design with 4.8mm overall height maintaining low profile while delivering reliable performance
• Global compliance assurance meeting RoHS 3 and REACH standards for international industrial applications
• Metric system precision engineered for seamless integration with metric fastening systems and components

Professional Applications & Engineering Value

This M8 countersunk washer delivers critical engineering solutions where flush surface mounting is essential for both safety and aesthetics. The zinc-plated steel construction provides reliable corrosion resistance in industrial environments where moisture and chemicals are present. The precise 90° countersink angle ensures perfect alignment with matching screw heads, eliminating protrusions that could cause injury or interfere with moving parts. In metric applications requiring clean, streamlined profiles - from machinery guards to architectural metalwork - this washer maintains structural integrity while providing a professional finish. The combination of dimensional accuracy and protective surface treatment makes it ideal for automotive assemblies, electrical enclosures, and manufacturing equipment where both performance and appearance matter.

Specification Summary & Compliance

Manufactured to precise metric dimensions: 8.4mm inner diameter, 25mm outer diameter, and 4.8mm overall height with 90° countersink angle. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence. Designed specifically for M8 screw sizes in metric fastening systems, providing reliable performance in industrial applications requiring flush mounting solutions.