S-97280A126 5.3 mm ID x 16 mm OD Finishing Washers
Finishing Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Geometric Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance from high-quality aluminum construction, ideal for harsh industrial environments
- Perfect flush seating with 90° countersink angle design for smooth, professional surface finishes
- Precision M5 compatibility with 5.3mm ID ensuring secure screw fit and vibration resistance
- Optimal load distribution through 16mm OD design, preventing surface damage and material deformation
- Lightweight durability from aluminum material, reducing overall assembly weight without sacrificing strength
- Regulatory compliance assurance with RoHS 3 and REACH standards for international project acceptance
- Consistent 2.8mm profile maintaining uniform pressure distribution across fastened components
Professional Applications & Engineering Value
This M5 metric aluminum countersunk washer addresses critical engineering challenges in precision assembly applications. The 90° countersink angle ensures complete flush mounting with fastener heads, eliminating protrusions that compromise safety and aesthetics in automotive, aerospace, and electronic enclosures. The aluminum construction provides exceptional corrosion resistance while maintaining lightweight properties crucial for weight-sensitive applications. The precise 5.3mm inner diameter guarantees secure M5 screw retention, preventing loosening from vibration and thermal cycling. This metric washer solution delivers reliable performance in demanding environments where material compatibility and regulatory compliance are paramount for industrial fastening systems.
Specification Summary & Compliance
Manufactured to precise metric dimensions: 5.3mm ID, 16mm OD, and 2.8mm overall height with exact 90° countersink angle for standard M5 screw applications. This aluminum countersunk washer complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and international market acceptance. The manufacturing process maintains consistent dimensional accuracy suitable for automated assembly systems and precision engineering requirements.
