S-94630A113 10.5 mm ID x 28 mm OD DIN 6340 Oversized Washers

Key Features & Benefits at a Glance

• Exceptional Load Distribution - 28mm outer diameter provides superior surface coverage, preventing surface damage and maintaining joint integrity under high-pressure conditions
• Precision Fit Guarantee - 10.5mm inner diameter ensures perfect alignment with M10 screws, eliminating play and vibration issues in assembled components
• Enhanced Durability - Rockwell C35 hardened steel construction offers excellent resistance to deformation and wear in demanding industrial environments
• Standardized Performance - DIN 6340 compliance ensures consistent dimensions and reliable performance across all your metric fastener applications
• Optimal Thickness Range - 3.7-4.3mm thickness provides ideal compression characteristics while maintaining structural stability
• Environmental Compliance Ready - Meets RoHS 3 and REACH regulations, making them suitable for global industrial supply chains and sensitive applications
• Material Reliability - High-grade steel construction ensures corrosion resistance and long-term performance in various operating conditions

Professional Applications & Engineering Value

These M10 metric flat washers deliver critical engineering value through their steel construction and precise DIN 6340 standardization. The Rockwell C35 hardness rating ensures they maintain shape under substantial clamping forces, preventing fastener loosening in vibration-prone applications. The controlled 3.7-4.3mm thickness range provides optimal compression without sacrificing load-bearing capacity, making them ideal for industrial machinery, automotive assemblies, and structural steel connections. Their metric dimensions guarantee compatibility with M10 screw systems across European and international equipment, while the 28mm OD effectively distributes pressure across softer materials or painted surfaces. The 10.5mm ID ensures snug fit around M10 fasteners, eliminating movement that could lead to wear or joint failure in critical applications.

Specification Summary & Compliance

This flat washer features precise metric dimensions with 10.5mm inner diameter, 28mm outer diameter, and 3.7-4.3mm thickness range, engineered specifically for M10 screw applications. Manufactured to DIN 6340 standards for dimensional consistency and performance reliability. The steel material achieves Rockwell C35 hardness for optimal strength and durability. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and global market acceptance for industrial and commercial applications.