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Serrated Locking Nut | Steel Strength Class 8 | Zinc-Plated & Blue Passivated | @Pack of 50 | by Wurth

BRAND: Wurth
SKU: 39406
$33.00 List price: $41.50
50 PCS ($0.66 per PCS)
+
Serrated locking nut designed for secure fastening in mechanical assemblies, featuring steel strength class 8 for high durability and load resistance. The zinc-plated and blue passivated finish ensures excellent corrosion resistance, making it ideal for automotive, machinery, and industrial applications. Perfect for professionals seeking reliable performance in demanding environments.

Product Name/Title: Serrated Locking Nut | Steel Strength Class 8 | Zinc-Plated & Blue Passivated | @Pack of 50 | by Wurth

Brand: Wurth

SKU: 39406

Alternatively Known As: Locking nut, Serrated flange nut, Self-locking nut, Zinc plated locking nut

Technical Specifications
  • Thread type x nominal diameter (D): M6
  • Height (h1): 6 mm
  • Flange diameter (dc): 14.2 mm
  • External drive (s1): WS10
  • Material: Steel
  • Property class: 8
  • Surface: Zinc plated with blue passivation
  • Locking device operating principle: Serration
  • Locking function: Locking against self-loosening by mechanical interlocking
  • Pitch: 1 mm
  • RoHS-compliant: Yes
  • Standards: DIN 6923 similar (replaced by EN 1661)
  • Dimensions (H x L x W): 6mm x 14mm x 10mm
  • Weight: 0.05 kg
Key Features
  • Serrated locking teeth provide mechanical interlocking to prevent self-loosening
  • Steel strength class 8 for high durability and load resistance
  • Zinc-plated with blue passivation for corrosion resistance
  • Complies with DIN 6923 similar standards, replaced by EN 1661
Professional Installation Requirements
  • Installation by qualified personnel recommended to ensure proper torque and locking function.
Applications
  • Mechanical assemblies requiring secure fastening
  • Automotive and machinery applications
  • Industrial equipment and construction
Standards & Compliance
  • AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • RoHS-compliant material reduces hazardous substances
  • Durable coating extends product life reducing waste
Warranty Information

Standard manufacturer warranty against defects applies.

Available Now

Available for immediate purchase, ideal for mechanical and industrial fastening applications.