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Hexagon Nut with Flange | Nylon Insert Locking | Zinc-Plated Steel | @Pack of 50 | by Wurth

BRAND: Wurth
SKU: 5119812125
$76.50 List price: $96.20
50 PCS ($1.53 per PCS)
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Hexagon Nut with Flange featuring a nylon insert locking mechanism and durable zinc-plated steel construction—ideal for mechanical assemblies and automotive applications. Designed for secure fastening, this nut retains its locking ability at temperatures up to 120°C, ensuring a stable connection in industrial and construction settings.

Product Name/Title: Hexagon Nut with Flange | Nylon Insert Locking | Zinc-Plated Steel | @Pack of 50 | by Wurth

Brand: Wurth

SKU: 5119812125

Alternatively Known As: Flanged Hex Nut, Nylon Insert Lock Nut, Self-Locking Hex Nut, EN 1666 Nut

Technical Specifications
  • Thread type x nominal diameter x pitch: M12 x 1.25
  • Height: 16.1 mm
  • Flange diameter: 26 mm
  • External drive: WS18
  • Material: Steel
  • Property class: 10
  • Surface: Zinc plated with blue passivation
  • Design: With flange
  • Locking device operating principle: Clamping part polyamide ring
  • Locking function: Locking against loosening by clamping
  • RoHS-compliant: Yes
  • Dimensions (H x L x W): 16.1mm x 16.1mm x 26mm
  • Weight: 0.05 kg
Key Features
  • Nylon insert deforms over bolt thread, locking the thread into place
  • Retains locking ability at temperatures up to 120°C
  • Wide flange acts as an integrated washer distributing load across a wider area
  • Provides a stable and secure connection
  • Complies with EN 1666 standard replacing DIN 6926
  • Strength class 10 steel with zinc plating and blue passivation
Professional Installation Requirements
  • Installation by a qualified technician or engineer is recommended to ensure proper torque and secure fastening.
Applications
  • Mechanical assemblies requiring secure fastening
  • Automotive and machinery components
  • Industrial equipment and construction
Standards & Compliance
  • AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • RoHS-compliant material ensuring reduced hazardous substances
  • Durable zinc plating extends product life reducing replacement frequency
Warranty Information

Standard manufacturer warranty applies. Please refer to Wurth warranty policy for details.

Available Now

Available for immediate purchase, ideal for industrial, automotive, and construction fastening applications.