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Hex Socket Screw -1 Zinc Nickel Black Coating Steel M4x20 Wurth

BRAND: Wurth
SKU: 425264 20
$7.00 List price: $8.90
25 PCS ($0.28 per PCS)
+ −
30 Days Return Electricians Unlock Trade Access
Wurth Hex Socket Screw ISO Zinc-Nickel Black Coating features Steel and ISO 7380-1.
Technical Specifications
  • Material: Steel
  • Coating: Zinc-nickel black (ZNBHL), chromium (VI)-free
  • Standard: ISO 7380-1
  • Head Type: Flattened half round head
  • Drive Type: Hexagon socket
  • Load Limitation: Limited loads due to head geometry as per DIN EN ISO 898-1
  • Dimensions (H x L x W): 4mm x 20mm x 6mm
  • Weight: 0.1 kg
Key Features
  • Zinc-nickel black coating (ZNBHL) providing high corrosion resistance
  • Coating includes zinc-nickel alloy layer and sealing coat with integrated lubricating particles
  • Complies with ISO 7380-1 standard for screws with hexagon socket and flattened half round head
Professional Installation Requirements
  • Installation by qualified personnel recommended to ensure correct torque and load application.
Applications
  • High corrosion risk environments requiring durable fasteners
  • Mechanical assemblies with limited load requirements due to head geometry
Standards & Compliance
  • Complies with AS/NZS 4789 for fasteners and corrosion resistance
Environmental Benefits
  • Chromium (VI)-free zinc-nickel coating reduces environmental and health hazards
  • Durable corrosion-resistant coating extends product lifespan, reducing waste
Warranty Information

Warranty against manufacturing defects as per WURTH standard policy.

Available Now

The WURTH Screw with flattened half round head and hexagon socket ISO 7380-1 is available now for immediate purchase. Ideal for high corrosion risk mechanical fastening applications.

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