S-96982A144 12.2 mm ID x 21.1 mm OD DIN 128A Split Lock Washers
Split Lock Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Special Type Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance due to the curved split design that maintains constant spring tension under dynamic loads.
- Enhanced corrosion protection with zinc yellow-chromate plating, ideal for harsh industrial environments.
- High durability and strength from Rockwell C44 hardened steel, preventing deformation under high stress.
- Reliable locking performance for M12 screws, ensuring secure fastening and reducing maintenance needs.
- Precise metric sizing with 12.2mm ID and 21.1mm OD for accurate fit and ease of installation.
- Compliance with DIN 128A standards guarantees consistent quality and interchangeability in European machinery.
- Cost-effective solution by minimizing loosening and extending the service life of assembled components.
Professional Applications & Engineering Value
This M12 curved split lock washer is engineered to address common issues like fastener loosening from vibrations and thermal cycling in industrial settings. Made from zinc yellow-chromate plated steel, it offers excellent corrosion resistance, making it suitable for outdoor equipment, automotive assemblies, and heavy machinery. The curved design increases spring action, applying continuous pressure to the fastener, which prevents back-off and maintains joint integrity. By adhering to DIN 128A standards, this washer ensures precise dimensions and reliable performance in metric fastener systems, reducing downtime and enhancing safety in demanding applications such as conveyor systems, engine mounts, and structural frameworks.
Specification Summary & Compliance
This washer features precise dimensions: Inner Diameter of 12.2 mm, Outer Diameter of 21.1 mm, and Thickness of 2.0 mm, conforming to DIN 128A specifications for dimensional accuracy and performance. It is manufactured from steel with Rockwell C44 hardness and includes a zinc yellow-chromate plating for corrosion protection. The product complies with relevant industry standards for material and finish, ensuring reliability in various industrial applications.
