S-90504A118 13 mm ID x 24 mm OD DIN 137B Wave Spring Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through wave spring design that maintains constant tension under dynamic loads
• Exceptional durability with Rockwell C42 hardness rating for long service life in demanding applications
• Corrosion-resistant black-oxide coating provides reliable protection in various industrial environments
• Precise dimensional accuracy with 13mm ID, 24mm OD, and 1.2mm thickness ensuring perfect fit for M12 fasteners
• Certified performance meeting DIN 137B standards for consistent quality and reliability
• Environmental compliance with RoHS 3 and REACH regulations for safe use across global markets
• Optimal spring action with 5mm overall height providing effective load distribution and compensation for thermal expansion

Professional Applications & Engineering Value

Our M12 wave washers deliver critical engineering solutions where vibration damping and spring tension maintenance are essential. The black-oxide steel construction combined with Rockwell C42 hardness ensures these washers withstand repeated compression cycles without permanent deformation. These metric wave washers are specifically engineered to prevent fastener loosening in machinery, automotive assemblies, and industrial equipment where constant vibration would compromise standard flat washers. The wave design provides consistent spring force that compensates for material settlement and thermal expansion, making them ideal for heavy-duty applications requiring reliable long-term performance. With precise 13mm internal diameter sizing for M12 screws, these washers offer perfect compatibility while the 24mm outer diameter ensures optimal load distribution.

Specification Summary & Compliance

This wave washer features precise metric dimensions (13mm ID × 24mm OD × 1.2mm thickness) with 5mm overall height, manufactured from high-grade steel with black-oxide surface treatment. The product conforms to DIN 137B specifications for dimensional accuracy and performance requirements. Compliance certifications include RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) with current SVHC compliance as of June 14, 2023, ensuring environmental responsibility and regulatory adherence for industrial applications worldwide.