S-93279A124 4.5 mm ID x 7.6 mm OD DIN 127B Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance prevents fastener loosening in high-motion applications
• Blue-dyed steel construction provides immediate visual identification and corrosion protection
• Precision DIN 127B compliance ensures consistent performance and interchangeability
• Optimized 4.5mm ID/7.6mm OD dimensions guarantee perfect fit for M4 screw applications
• 0.8-1.0mm thickness range delivers optimal spring tension and load distribution
• Full RoHS 3 & REACH compliance meets stringent environmental regulations for industrial use
• Standard split lock design offers reliable, cost-effective locking performance

Professional Applications & Engineering Value

These blue-dyed steel split lock washers solve critical vibration-induced loosening problems in metric fastener systems. The DIN 127B standard ensures dimensional precision and consistent spring action, maintaining clamp force in demanding environments like industrial machinery, automotive assemblies, and electrical enclosures. The split lock design creates continuous upward force against the nut or bolt head, while the blue dye coating provides both corrosion resistance and quick visual identification during assembly and maintenance. This combination of vibration resistance and metric precision makes them ideal for applications where reliability and compliance with European standards are paramount.

Specification Summary & Compliance

Manufactured to DIN 127B specifications with precise dimensional tolerances: 4.5mm inner diameter, 7.6mm outer diameter, and 0.8-1.0mm thickness range. Designed specifically for M4 screw applications in metric measurement systems. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial applications worldwide. The standard split lock washer type provides reliable performance without requiring special installation tools or procedures.