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Serrated Locking Nut M12 | Steel Class 8 | Zinc-Plated & Blue Passivated | @Pack of 25 | by Wurth

BRAND: Wurth
SKU: 394012
$42.00 List price: $52.80
25 PCS ($1.68 per PCS)
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Serrated locking nut M12 designed for secure fastening in mechanical assemblies. Made from durable steel class 8, it features serrated locking teeth for mechanical interlocking, preventing self-loosening. Ideal for automotive, machinery, and industrial applications, this nut is zinc-plated with blue passivation for enhanced corrosion resistance.

Product Name/Title: Serrated Locking Nut M12 | Steel Class 8 | Zinc-Plated & Blue Passivated | @Pack of 25 | by Wurth

Brand: Wurth

SKU: 394012

Alternatively Known As: Locking nut, Serrated flange nut, Self-locking nut, M12 locking nut

Technical Specifications
  • Thread type x nominal diameter: M12
  • Height: 12 mm
  • Flange diameter: 26 mm
  • External drive size: WS18
  • Material: Steel
  • Property class: 8
  • Surface finish: Zinc plated with blue passivation
  • Locking device operating principle: Serration
  • Locking function: Mechanical interlocking to prevent self-loosening
  • Pitch: 1.75 mm
  • RoHS-compliant: Yes
  • Dimensions (H x L x W): 12mm x 26mm x 18mm
  • Weight: 0.05 kg
Key Features
  • Serrated locking teeth provide mechanical interlocking to prevent self-loosening
  • Steel material with strength class 8 for high durability
  • Zinc-plated with blue passivation for corrosion resistance
  • Complies with DIN 6923 similar standards, replaced by EN 1661
Professional Installation Requirements
  • Installation by a qualified technician or mechanic is recommended to ensure proper torque and secure fastening.
Applications
  • Mechanical assemblies requiring secure fastening
  • Automotive and machinery applications
  • Industrial equipment and construction
Standards & Compliance
  • Complies with AS/NZS 1252 for mechanical fasteners
Environmental Benefits
  • RoHS-compliant material reduces hazardous substances
  • Durable zinc plating extends product life reducing waste
Warranty Information

Standard manufacturer warranty applies.

Available Now

The Wurth Serrated Locking Nut M12 Steel Class 8 Zinc-Plated 25 PCS is available for immediate purchase, ideal for industrial, automotive, and mechanical fastening applications.