S-94007A120 Male and Female Leveling Washers

Key Features & Benefits at a Glance

• 3° angular misalignment compensation ensures perfect alignment on uneven surfaces, reducing assembly stress and preventing fastener failure
• Corrosion-resistant 18-8 stainless steel construction maintains performance in harsh environments and extends service life
• Rockwell B83 hardness rating provides excellent wear resistance and maintains dimensional stability under load
• Precision metric dimensions (4.9mm ID/9.5mm OD) guarantee perfect fit with M4 fasteners and consistent performance
• 7mm spherical radius design enables smooth articulation and uniform load distribution across mating surfaces
• Full RoHS 3 & REACH compliance meets international environmental standards for global industrial applications
• Compatible with replacement male washers simplifies maintenance and reduces inventory complexity

Professional Applications & Engineering Value

These M4 spherical washers solve critical alignment challenges in industrial machinery, automotive assemblies, and structural frameworks where surface irregularities cause fastener stress. The 18-8 stainless steel material provides exceptional corrosion resistance for outdoor equipment and chemical processing applications, while the 3° maximum angular correction capability compensates for manufacturing tolerances and thermal expansion differences. The spherical washer design with 7mm radius ensures even pressure distribution, preventing localized stress concentrations that lead to joint failure. Engineered for metric fastener systems, these washers maintain Rockwell B83 hardness to withstand vibration and dynamic loads in demanding operational environments.

Specification Summary & Compliance

This metric spherical washer features precise dimensional specifications: Female ID 4.9mm, Female OD 9.5mm, Male ID 4.3mm, Male OD 9.5mm, with thickness ranging 3.2-3.8mm. Manufactured to exacting standards for M4 screw compatibility, the washer maintains ISO-compliant tolerances throughout production. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety. The 18-8 stainless steel composition combined with Rockwell B83 hardness certification guarantees consistent mechanical performance across industrial applications.