S-98687A136 6.4 mm ID x 11 mm OD DIN 433 General Purpose Washers

Key Features & Benefits at a Glance

• Superior load distribution with precise 6.4mm ID and 11mm OD to prevent surface damage and fastener loosening under stress
• Enhanced vibration resistance through optimal thickness (1.4-1.8mm) and steel construction for stable mechanical assemblies
• High durability ensured by Rockwell B76 hardness steel, resisting deformation in demanding applications
• Guaranteed dimensional accuracy with full compliance to DIN 433 standards for reliable M6 screw compatibility
• Environmental compliance with RoHS 3 and REACH regulations, safe for restricted substance-sensitive industries
• Broad industrial applicability due to metric sizing and robust steel material, fitting global machinery and equipment

Professional Applications & Engineering Value

This M6 metric steel flat washer is engineered to address critical challenges in industrial fastening, such as uneven load distribution and vibration-induced failures. Its high-strength steel composition and Rockwell B76 hardness provide exceptional resistance to wear and compression, making it ideal for mechanical assemblies in automotive, machinery, and construction sectors. The DIN 433 standard ensures precise thread compatibility with M6 screws, reducing installation errors and enhancing joint integrity. By offering reliable vibration resistance and consistent performance, this washer minimizes maintenance needs and extends the lifespan of connected components, delivering cost-effective fastening solutions for B2B procurement.

Specification Summary & Compliance

This flat washer adheres to DIN 433 specifications with an inner diameter of 6.4mm, outer diameter of 11mm, and thickness range of 1.4-1.8mm, ensuring precise fit for M6 screw sizes. It meets Rockwell B76 hardness standards for material strength and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming suitability for environmentally conscious industrial applications.