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Screw with Flattened Half Round Head Zinc-Nickel Coated Corrosion Resistant Variant-1 Wurth

BRAND: Wurth
SKU: 42526416
$6.40 List price: $8.00
25 PCS ($0.26 per PCS)
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Screw with Flattened Half Round Head offers a zinc-nickel coating for superior corrosion resistance, making it ideal for high-risk environments.
Technical Specifications
  • Thread type x nominal diameter: M4
  • Length: 16 mm
  • Head diameter: 7.6 mm
  • Head height: 2.2 mm
  • Standard: ISO 7380-1
  • Material: Steel
  • Property class: 010.9
  • Surface finish: Zinc nickel black (ZNBHL)
  • Corrosion protection period: 480 hours
  • Head type: Button head (flattened half round)
  • Drive type: Hexagon socket (HS2.5)
  • Thread form: Standard metric thread
  • Product class: A
  • RoHS-compliant: Yes
  • Thermal capacity: Up to 120°C
  • Friction coefficient range: 0.09 μ–0.14 μ
  • Dimensions (H x L x W): 2.2mm x 16mm x 7.6mm
  • Weight: 0.01 kg
Key Features
  • Zinc-nickel black coating providing high corrosion resistance
  • Chromium (VI)-free environmentally safer coating
  • Corrosion resistance up to 480 hours for M4 diameter screws
  • Top coat with integrated lubricating particles for adjusted friction
  • Thermal capacity up to 120°C
  • Functional and decorative finish
  • Hexagon socket drive for secure fastening
  • Button (flattened half round) head design
Professional Installation Requirements
  • Installation by qualified personnel recommended to ensure correct torque and fastening integrity.
Applications
  • High corrosion risk environments requiring durable fasteners
  • Industrial machinery assembly
  • Automotive and transport equipment
  • Electrical and electronic equipment fastening
  • General mechanical fastening requiring corrosion resistance
Standards & Compliance
  • Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation) for electrical fasteners
  • Meets corrosion resistance standards aligned with ISO 9227 NSS salt spray testing
Environmental Benefits
  • Chromium (VI)-free coating reduces environmental and health hazards
  • RoHS-compliant material ensuring reduced hazardous substances
Warranty Information

Warranty against manufacturing defects as per Wurth standard terms and conditions.

Available Now

Available for immediate purchase, ideal for industrial, automotive, and electrical applications requiring high corrosion resistance.

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