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Countersunk Screw ISO 14581 Hexalobular Head Zinc-Nickel Coated Variant-3 Wurth

BRAND: Wurth
SKU: 40126412
$30.80 List price: $38.70
100 PCS ($0.31 per PCS)
+ −
30 Days Return Electricians Unlock Trade Access
Countersunk screws ISO 14581 with hexalobular head and zinc-nickel coating are perfect for high corrosion risk environments.
Technical Specifications
  • Thread type x nominal diameter: M4
  • Length: 12 mm
  • Head diameter: 8.4 mm
  • Head height: 2.7 mm
  • Standards: ISO 14581
  • Material: Steel
  • Property class: 08.8
  • Surface: Zinc nickel black
  • RoHS-compliant: Yes
  • Corrosion protection period: 480 h
  • Head type: Countersunk 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): 2.7mm x 12mm x 8.4mm
  • Weight: 0.01 kg
Key Features
  • Zinc-nickel black coating (ZNBHL) providing high corrosion resistance
  • Chromium (VI)-free coating for environmental safety
  • Corrosion resistance up to 480 hours for M4 diameter screws
  • Adjusted friction coefficient between 0.09μ and 0.14μ due to integrated lubricating particles
  • Thermal capacity up to 120°C
  • Even coating distribution for functional and decorative purposes
Professional Installation Requirements
  • Installation by qualified personnel recommended to ensure proper torque and secure fastening.
Applications
  • High corrosion risk environments requiring durable fasteners
  • Mechanical assemblies needing countersunk head screws
  • Industrial and construction applications requiring ISO 14581 standard screws
Standards & Compliance
  • AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • Chromium (VI)-free coating reduces environmental and health hazards
  • RoHS-compliant material ensures reduced hazardous substances
Warranty Information

Warranty against manufacturing defects as per Wurth standard policy.

Available Now

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

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