S-97280A122 6.4 mm ID x 18 mm OD Finishing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with chrome-plated steel construction for extended service life in demanding industrial environments
• Perfect flush mounting achieved through precise 90° countersink angle that seamlessly integrates with matching screw heads
• Optimal load distribution with 18mm outer diameter providing wider surface area to prevent material damage
• Precise M6 screw compatibility with 6.4mm inner diameter ensuring secure fit and vibration resistance
• Consistent performance maintained through exact 3.3mm height for uniform pressure application
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe global industrial use
• Metric system standardization enabling seamless integration with international engineering specifications

Professional Applications & Engineering Value

This M6 countersunk washer delivers exceptional engineering value in applications requiring flush surface finishes and reliable fastening performance. The chrome-plated steel construction provides superior corrosion protection, making it ideal for machinery, automotive assemblies, and outdoor equipment where environmental exposure is a concern. The precise 90° countersink angle ensures perfect alignment with standard countersunk screw heads, eliminating protrusions that could interfere with moving parts or compromise safety. With its metric dimensions (6.4mm ID, 18mm OD, 3.3mm height), this washer offers optimal load distribution across joined materials, preventing surface damage and maintaining joint integrity under vibration and dynamic loads. The combination of durable steel material and precision manufacturing makes these countersunk washers essential components in industrial assembly lines, metal fabrication, and precision equipment manufacturing where reliability and professional finish are paramount.

Specification Summary & Compliance

This M6 countersunk washer features precise metric dimensions with 6.4mm inner diameter, 18mm outer diameter, and 3.3mm overall height. The washer incorporates a standardized 90° countersink angle compatible with standard countersunk screw heads. Manufactured from chrome-plated steel, the product maintains dimensional accuracy suitable for industrial applications. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and unrestricted use across global markets. The washer is designed for M6 screw size applications and follows metric system standards for international engineering compatibility.