S-98688A113 3.7 mm ID x 7 mm OD DIN 433; ISO 7092 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in harsh industrial environments
• Exceptional load distribution thanks to precise 3.7mm ID and 7mm OD dimensions, preventing surface damage
• Reliable hardness performance with Rockwell B76 rating, maintaining shape under high-pressure applications
• Guaranteed dimensional accuracy through compliance with DIN 433 and ISO 7092 standards
• Environmental and safety compliance with RoHS 3 and REACH regulations for global supply chain integration
• Optimized for M3.5 screw assemblies, ensuring perfect fit and vibration resistance in metric systems
• Cost-effective durability from zinc plated steel construction, reducing replacement frequency

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these M3.5 flat washers provide critical solutions for assembly integrity. The zinc plated steel material offers excellent corrosion resistance, essential for machinery exposed to moisture or chemicals. With Rockwell B76 hardness, they withstand repeated torque and pressure without deformation, preventing joint loosening in metric fastener systems. Compliance with DIN 433 and ISO 7092 ensures precise 3.7mm ID and 7mm OD dimensions, eliminating misalignment in automotive, electronics, and heavy equipment assemblies. This combination of material strength and standardized sizing delivers long-term reliability, reducing maintenance costs and downtime.

Specification Summary & Compliance

This flat washer meets exacting dimensional tolerances per DIN 433 and ISO 7092 standards, with internal diameter of 3.7mm, outer diameter of 7mm, and thickness ranging 0.4-0.6mm. Manufactured from zinc plated steel with Rockwell B76 hardness, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring safe use in global industrial markets.