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Spring Lock Washer Shape A DIN 137 Zinc Plated Curved Design Variant-1 Wurth

BRAND: Wurth
SKU: 4344
$26.00 List price: $32.70
50 PCS ($0.52 per PCS)
+ −
30 Days Return Electricians Unlock Trade Access
Spring Lock Washer Shape A DIN 137 is designed for effective mechanical fastening, featuring a curved design and durable zinc plating for corrosion resistance.
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.

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