S-91116A110 2.7 mm ID x 8 mm OD DIN 9021 Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and extending component lifespan.
• Precise dimensional fit with a 2.7mm inner diameter and 8mm outer diameter, ensuring reliable performance with M2.5 screws and preventing loosening.
• Enhanced load distribution and surface protection due to compliance with the rigorous DIN 9021 standard for flat washers.
• Consistent mechanical strength with a Rockwell B52 hardness, providing durability and resistance to deformation under pressure.
• Guaranteed material safety and environmental compliance, being RoHS 3 and REACH compliant for use in regulated industries.
• Optimized for metric assemblies, facilitating seamless integration into global manufacturing and engineering projects.
• Reliable thickness tolerance (0.7-0.9 mm) for uniform performance and ease of installation in automated or manual processes.

Professional Applications & Engineering Value

This M2.5 metric flat washer is engineered to solve common industrial challenges such as fastener corrosion, surface damage, and assembly failure. Made from 18-8 stainless steel, it offers excellent resistance to rust and oxidation, making it perfect for applications in electronics, automotive, and marine environments where moisture is a concern. The DIN 9021 specification ensures precise dimensions and a flat profile, which helps distribute clamp load evenly, prevent embedding in soft materials, and maintain bolt tension. Its Rockwell B52 hardness provides the necessary toughness to withstand vibrational stresses without cracking. By using these RoHS and REACH compliant washers, engineers can enhance the longevity and reliability of their metric hardware assemblies while meeting strict environmental and safety standards.

Specification Summary & Compliance

This flat washer conforms to DIN 9021 for dimensional accuracy, featuring an ID of 2.7 mm, OD of 8 mm, and thickness of 0.7-0.9 mm, designed for M2.5 screw size. It is manufactured from 18-8 stainless steel with a hardness of Rockwell B52. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free of hazardous substances and suitable for various industrial and consumer applications.