S-92168A117 21 mm ID x 36 mm OD DIN 137B Wave Spring Lock Washers
Wave Spring Lock Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance to maintain bolt tension and prevent loosening in dynamic applications
- Excellent corrosion resistance from 18-8 stainless steel construction for long-lasting performance in harsh environments
- Precise dimensional accuracy with 21mm ID, 36mm OD, and 1.6mm thickness ensuring reliable fit for M20 screws
- Consistent spring force provided by the wave design to absorb shocks and compensate for thermal expansion
- Full regulatory compliance with RoHS 3 and REACH for safe use in global markets
- DIN 137B standard conformity guaranteeing interchangeability and quality in European mechanical assemblies
- Optimized 7.4mm overall height for effective load distribution in space-constrained applications
Professional Applications & Engineering Value
This M20 wave washer delivers critical engineering value by solving common industrial challenges like bolt loosening under vibration and thermal cycling. Crafted from 18-8 stainless steel, it offers inherent corrosion resistance, making it ideal for outdoor equipment, marine applications, and chemical processing plants where moisture and corrosive agents are present. The wave spring design provides a consistent axial force that maintains clamp load, preventing joint failure in machinery, automotive subsystems, and heavy-duty fastening systems. Its compliance with DIN 137B ensures precise metric threading compatibility, reducing assembly errors and improving maintenance efficiency. By integrating this vibration resistant washer, engineers enhance product durability and minimize downtime in high-stress environments.
Specification Summary & Compliance
This washer features precise dimensions (21mm ID x 36mm OD x 1.6mm thickness, 7.4mm overall height) tailored for M20 screw applications. It conforms to DIN 137B standards for dimensional and performance consistency. The product is manufactured from 18-8 stainless steel and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and unrestricted international trade.
