S-98472A112 8.4 mm ID x 25 mm OD Finishing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• Flush, professional finish achieved with a precise 90° countersink angle, eliminating protrusions for smooth surfaces.
• Accurate M8 screw compatibility ensured by the 8.4mm inner diameter, providing secure and stable fastening.
• Enhanced load distribution from the 25mm outer diameter, reducing surface pressure and preventing material damage.
• Compliance with strict environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable use.
• Durable, maintenance-free performance due to the robust stainless steel material, lowering lifecycle costs.
• Optimized for metric system applications, facilitating seamless integration in global engineering projects.

Professional Applications & Engineering Value

This M8 metric countersunk washer is engineered to address common industrial challenges such as surface unevenness and corrosion-induced failure. Crafted from 18-8 stainless steel, it offers exceptional resistance to rust and chemicals, making it suitable for demanding environments like marine, automotive, and food processing equipment. The 90° countersink angle ensures a flush mount with M8 screws, eliminating snag hazards and providing a sleek, professional appearance in assemblies. Its precise dimensions—8.4mm ID and 25mm OD—deliver reliable load distribution, preventing loosening under vibration and extending the lifespan of connected components. Ideal for applications requiring corrosion-resistant and RoHS/REACH compliant fasteners, this washer enhances safety and durability in critical installations.

Specification Summary & Compliance

This washer features a metric design with an inner diameter of 8.4mm, outer diameter of 25mm, and overall height of 4.8mm, tailored for M8 screw size applications. It adheres to standard countersunk washer dimensions with a 90° angle for consistent performance. The product is manufactured from 18-8 stainless steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for various industrial and consumer uses.