S-91116A310 2.2 mm ID x 7 mm OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from Black-Oxide 18-8 Stainless Steel, ideal for harsh environments and extending component lifespan.
• Enhanced durability and load distribution with Rockwell B68 hardness, preventing surface damage and maintaining fastener integrity.
• Precise fit for M2 screws with 2.2mm ID, ensuring secure fastening and reducing assembly errors.
• Optimal surface protection due to the 7mm OD, effectively spreading load and minimizing material stress.
• Reliable performance in varied conditions with a thickness range of 0.6-1.0 mm, accommodating slight tolerances without compromising function.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.
• Cost-effective maintenance through long-lasting material properties, reducing replacement frequency and downtime.

Professional Applications & Engineering Value

This M2 metric flat washer is engineered to address common industrial challenges such as corrosion, vibration loosening, and premature wear. Crafted from Black-Oxide 18-8 Stainless Steel, it provides excellent resistance to rust and oxidation, making it suitable for applications in electronics, automotive, and outdoor equipment where moisture and chemicals are prevalent. The precise 2.2mm ID and 7mm OD ensure a snug fit on M2 screws, distributing clamp load evenly to prevent damage to sensitive surfaces and maintain joint integrity under dynamic loads. Its flat washer design and robust material grade offer reliable performance in assemblies requiring repeated disassembly, reducing the risk of galling and ensuring consistent fastening in industrial washers and metric hardware systems.

Specification Summary & Compliance

This washer adheres to standard metric dimensions with an inner diameter of 2.2 mm, outer diameter of 7 mm, and thickness ranging from 0.6 to 1.0 mm, designed for precise fit with M2 screw sizes. It conforms to general industry tolerances for flat washers and is manufactured from 18-8 stainless steel with a Black-Oxide finish for enhanced protection. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for hazardous substances, making it a reliable choice for global industrial applications.