S-98269A122 3.7 mm ID x 8 mm OD DIN 125 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and black oxide finish, ideal for humid or chemically aggressive environments
• Enhanced load distribution from precise DIN 125 flat washer design, preventing surface damage and loosening under M3.5 screw loads
• Consistent mechanical performance ensured by Rockwell B75 hardness, maintaining shape and function under repeated stress
• Reliable dimensional accuracy with 3.7mm ID and 8mm OD, providing exact fit for M3.5 fasteners in metric assemblies
• Compliance with strict industry regulations including RoHS 3 and REACH, ensuring safety and environmental responsibility
• Optimized for demanding applications due to 0.5-0.6mm thickness, balancing strength with space efficiency in compact designs

Professional Applications & Engineering Value

These M3.5 flat washers deliver critical engineering value by addressing common industrial challenges like galvanic corrosion, fastener embedment, and regulatory compliance. The Black Oxide 18-8 Stainless Steel material provides excellent resistance to rust and chemical exposure, making them suitable for outdoor equipment, marine hardware, and food processing machinery. The DIN 125 specification ensures precise dimensional tolerances and uniform pressure distribution, reducing the risk of joint failure in metric assembly systems. With their Rockwell B75 hardness, these washers maintain integrity under vibration and load cycling, extending service life in automotive, electronics, and industrial manufacturing applications where reliability is non-negotiable.

Specification Summary & Compliance

This flat washer conforms to DIN 125 standards with an inner diameter of 3.7mm, outer diameter of 8mm, and thickness of 0.5-0.6mm, designed for M3.5 screw sizes. Material hardness is certified at Rockwell B75 for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety requirements for industrial components.