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Pan Head Screw Zinc Nickel Coating Strength Class Wurth

BRAND: Wurth
SKU: 4004648
$21.60 List price: $27.20
100 PCS ($0.22 per PCS)
+ −
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Wurth Pan Head Screw ISO Zinc-Nickel Coating Strength features M4, 8mm length and 8mm head diameter. Chromium (VI)-free coating.
Technical Specifications
  • Thread type x nominal diameter: M4
  • Length: 8 mm
  • Head diameter: 8 mm
  • Head height: 3.1 mm
  • Standards: ISO 14583
  • Material: Steel
  • Property class: 8.8
  • Surface: Zinc nickel black
  • Corrosion protection period: 480 h
  • RoHS-compliant: Yes
  • Head type: Flat head
  • Drive type: Internal hexalobular
  • Internal drive: TX20
  • Thread type: Metric thread
  • Pitch: 0.7 mm
  • Thread form: Standard metric thread
  • Product class: A
  • Dimensions (H x L x W): 3.1mm x 8mm x 8mm
  • Weight: 0.01 kg
Key Features
  • Zinc-nickel black coating (ZNBHL) providing high corrosion resistance
  • Chromium (VI)-free coating
  • Corrosion resistance up to 480 hours for M4 diameter screws
  • Integrated lubricating particles in top coat for adjusted friction coefficient (0.09μ - 0.14μ)
  • Thermal capacity up to 120°C
  • Even coating distribution for functional and decorative finish
  • Internal hexalobular (TX20) drive type for secure fastening
Professional Installation Requirements
  • Installation by a qualified technician or tradesperson is recommended to ensure proper torque and fastening integrity.
Applications
  • Mechanical assembly requiring corrosion-resistant fasteners
  • Automotive and machinery manufacturing
  • High-corrosion risk environments
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Chromium (VI)-free coating reduces environmental and health hazards
  • Durable corrosion protection extends product life, reducing waste
Warranty Information

Warranty against manufacturing defects as per Wurth standard policy.

Available Now

The Wurth Pan Head Screw with Hexalobular Head ISO 14583 is available for immediate purchase, ideal for applications requiring high corrosion resistance and mechanical strength.

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