S-92148A338 12.7 mm ID x 21.1 mm OD DIN 127B Split Lock Washers
Split Lock Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Special Type Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance prevents fastener loosening in high-stress environments
- Black-oxide 18-8 stainless steel construction provides excellent corrosion resistance and durability
- Precision DIN 127B compliance ensures reliable performance and interchangeability
- Optimized split lock design maintains consistent spring tension under dynamic loads
- RoHS 3 and REACH compliance meets international environmental and safety standards
- Metric M12 sizing compatibility integrates seamlessly with standard industrial fasteners
- Dimensional accuracy (12.7mm ID, 21.1mm OD) ensures proper fit and function in assembly applications
Professional Applications & Engineering Value
This M12 split lock washer delivers critical vibration-dampening performance for industrial machinery, automotive assemblies, and electrical enclosures where dynamic loads threaten joint integrity. The black-oxide 18-8 stainless steel material provides exceptional corrosion resistance in harsh environments while maintaining the spring properties necessary for reliable locking action. Engineered to DIN 127B standards, this metric lock washer ensures precise dimensional control and consistent performance across manufacturing applications. The split ring design creates continuous radial pressure that compensates for thermal expansion, vibration, and load variations, preventing costly downtime from fastener failure in critical industrial applications.
Specification Summary & Compliance
This split lock washer features precise dimensions (12.7mm ID, 21.1mm OD, 2.3-2.7mm thickness) manufactured to DIN 127B standards for metric fastening systems. The standard split lock washer type is designed for M12 screw applications and constructed from 18-8 stainless steel with black-oxide surface treatment. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
