S-98687A131 2.2 mm ID x 5 mm OD DIN 125 General Purpose Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution – The precise 5mm outer diameter and flat design evenly spreads pressure, preventing surface damage and extending component life in tight assemblies.
• Superior Material Strength – Made from durable steel with Rockwell B76 hardness, offering reliable resistance to deformation under stress in demanding environments.
• Accurate Fit for M2 Screws – With a 2.2mm inner diameter, this washer ensures a secure, snug fit, reducing vibration loosening and improving fastening stability.
• Standardized Compliance – Manufactured to DIN 125 specifications, guaranteeing dimensional consistency and interchangeability in metric-based projects.
• Environmental Responsibility – RoHS 3 and REACH compliant, making it safe for use in sensitive sectors like electronics without hazardous substance risks.
• Ultra-Thin Profile – The 0.3–0.4mm thickness allows for space-saving installations without compromising on performance in compact designs.
• Corrosion and Wear Resistance – Steel construction provides inherent durability, ideal for repetitive use in industrial and electronic applications.

Professional Applications & Engineering Value

This M2 metric flat washer is engineered to address common challenges in precision assemblies, such as uneven load distribution and screw head damage. Crafted from high-grade steel and compliant with DIN 125 standards, it ensures exact dimensional accuracy with a 2.2mm ID and 5mm OD, facilitating seamless integration with M2 screws in electronic devices, small machinery, and industrial equipment. The Rockwell B76 hardness enhances durability, reducing the risk of failure under vibration or thermal cycling. By incorporating RoHS and REACH compliance, it meets stringent environmental regulations, making it a trusted choice for precision applications where reliability and safety are paramount.

Specification Summary & Compliance

This washer adheres to DIN 125 standards, ensuring precise dimensions including an inner diameter of 2.2mm, outer diameter of 5mm, and thickness of 0.3–0.4mm. It is manufactured from steel with a hardness of Rockwell B76 for consistent performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it meets environmental and safety requirements for industrial and electronic use.