S-91169A314 3.6 mm ID x 7 mm OD DIN 6905 Split Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance due to the curved split design that maintains constant spring tension under dynamic loads
• Reliable locking performance with Rockwell C44 hardness ensuring consistent spring action and fatigue resistance
• Precision metric sizing with 3.6mm ID and 7mm OD for perfect compatibility with M4 screws in industrial assemblies
• Certified quality assurance through DIN 6905 compliance, guaranteeing dimensional accuracy and mechanical properties
• Enhanced environmental compatibility with RoHS 3 and REACH compliance for use in regulated industries
• Optimized load distribution through curved geometry that minimizes surface damage while maximizing clamping force
• Durable steel construction providing excellent corrosion resistance and long-term performance in harsh conditions

Professional Applications & Engineering Value

Engineered to address critical vibration-induced loosening in mechanical systems, these M4 curved split lock washers deliver exceptional vibration resistance through their unique curved geometry and steel material construction. The DIN 6905 certified design ensures precise dimensional control for reliable performance in industrial applications including machinery, automotive assemblies, and electrical enclosures where secure fastening is paramount. The Rockwell C44 hardness provides optimal spring characteristics that maintain constant tension even under thermal cycling and dynamic loads, preventing joint failure in critical connections. These metric washers offer engineers a compliant solution that meets both performance requirements and environmental regulations for modern manufacturing environments.

Specification Summary & Compliance

Manufactured to DIN 6905 standards with precise dimensional tolerances including 3.6mm inner diameter, 7mm outer diameter, and 0.8mm thickness. The curved split lock washer design provides Class A performance characteristics with Rockwell C44 hardness ensuring consistent spring properties. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, making these washers suitable for use in regulated industries and international markets. The metric sizing ensures perfect compatibility with M4 screw applications where vibration resistance and secure fastening are critical requirements.