S-98424A300 5.3 mm ID x 16 mm OD Finishing Washers

Key Features & Benefits at a Glance

• Flush surface finishing with a precise 90° countersink angle for seamless integration and a professional appearance in assemblies
• Enhanced corrosion resistance through zinc-plated steel construction, extending service life in humid or demanding environments
• Accurate M5 screw compatibility with a 5.3mm inner diameter, ensuring secure fit and preventing loosening under vibration
• Optimized load distribution thanks to a 16mm outer diameter, reducing surface pressure and material stress
• Space-saving design with a 2.8mm overall height, ideal for compact assemblies without compromising performance
• Environmental compliance assurance meeting RoHS 3 and REACH standards, supporting sustainable and safe manufacturing practices
• Durable steel material providing reliable strength and longevity for repeated use in industrial settings

Professional Applications & Engineering Value

This M5 metric countersunk washer is engineered to address common challenges in industrial assembly, such as achieving a flush mount while maintaining structural integrity. The zinc-plated steel material offers superior corrosion resistance, making it ideal for applications in machinery, automotive, and outdoor equipment where exposure to moisture or chemicals is a concern. The precise 90° countersink angle ensures that screw heads sit perfectly flat, eliminating protrusions that could interfere with moving parts or aesthetic requirements. By distributing load evenly across a 16mm outer diameter, it minimizes surface damage and prevents fastener failure under stress. Commonly used in flush mounting scenarios for panels, fixtures, and enclosures, this washer enhances both safety and efficiency in industrial washers applications, reducing maintenance needs and downtime.

Specification Summary & Compliance

This washer features metric dimensions with an inner diameter of 5.3mm, outer diameter of 16mm, and overall height of 2.8mm, designed for M5 screw sizes. It adheres to standard countersunk washer specifications with a 90° angle for consistent performance. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free from hazardous substances and suitable for global supply chains.