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Spring Lock Washer Shape A DIN 137 | Zinc Plated | Curved Design | @Pack of 50 | by Wurth
Spring Lock Washer Shape A DIN 137 is designed for effective mechanical fastening, featuring a curved design and durable zinc plating for corrosion resistance. Ideal for M4 screw threads, this washer prevents loosening due to vibration, making it perfect for automotive, machinery, and construction applications.
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Product Name/Title: Spring Lock Washer Shape A DIN 137 | Zinc Plated | Curved Design | @Pack of 50 | by Wurth
Brand: Wurth
SKU: 4344
Alternatively Known As: Spring lock washer, curved lock washer, DIN 137 washer, spring steel washer, zinc plated lock washer
Technical Specifications
- Suitable for screw thread: M4
- Internal diameter (d1): 4.3 mm
- Outer diameter (d2): 8 mm
- Height (h1): 1.6 mm
- Thickness (s1): 0.5 mm
- Material: Spring steel
- Surface: Zinc plated
- Design: Domed
- Standard: DIN 137
- Dimensions (H x L x W): 1.6mm x 8mm x 8mm
- Weight: 0.01 kg
Key Features
- Spring-loaded fastening element operating via an axial spring system
- Type A curved design for effective locking
- Made from durable spring steel
- Mechanically applied zinc coating for corrosion resistance
- Domed design according to DIN 137 standard
Professional Installation Requirements
- Installation should be performed by qualified personnel to ensure proper fastening and safety.
Applications
- Used in mechanical fastening to prevent loosening of screws and bolts due to vibration
- Suitable for assembly in automotive, machinery, and construction industries
- Ideal for use with M4 screw threads
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Zinc plating provides corrosion resistance extending product life and reducing waste
- Durable spring steel material reduces need for frequent replacements
Warranty Information
Standard manufacturer warranty against defects applies.
Available Now
Wurth Spring Lock Washer Shape A DIN 137 is available for immediate purchase, ideal for mechanical fastening applications requiring secure locking.
