S-90407A117 18 mm ID x 34 mm OD DIN 462 Spring Lock Washers for Slotted Bearing Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance through conical spring design prevents fastener loosening in high-stress applications
• Precise metric sizing with 18mm ID and 34mm OD ensures perfect fit for M18 screw assemblies
• Stepped bearing nut compatibility (DIN 1804) provides secure seating and even load distribution
• DIN 462 certified construction guarantees consistent quality and dimensional accuracy
• Robust steel material delivers excellent durability and long-term performance in industrial environments
• Environmental compliance with RoHS 3 and REACH standards ensures safe usage across regulated industries
• Optimized 4mm overall height maintains secure locking while minimizing space requirements

Professional Applications & Engineering Value

This M18 spring lock washer addresses critical vibration-induced loosening challenges in heavy machinery, automotive assemblies, and industrial equipment. The conical spring lock washer design creates continuous spring tension that compensates for thermal expansion and dynamic loads, maintaining clamp force where flat washers fail. Manufactured from high-grade steel with DIN 462 certification, it delivers reliable performance in demanding applications requiring stepped bearing nut compatibility per DIN 1804. The precise 18mm internal diameter and 34mm outer diameter ensure optimal load distribution while the 1mm thickness provides the ideal balance between flexibility and strength. This metric steel washer solution is engineered for assembly lines where vibration resistance and long-term fastener security are paramount.

Specification Summary & Compliance

This spring lock washer features precise dimensional specifications: 18mm ID, 34mm OD, 1mm thickness, and 4mm overall height with tab dimensions of 5mm width and 2.5mm depth. Manufactured to DIN 462 standards with compatibility for stepped bearing nuts per DIN 1804. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for use across various industrial sectors without restriction.