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Christmas/New Year Delay Notice: Many suppliers are closed 22 Dec – 15 Jan. Some orders may experience delays.
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Hexagon Head Serrated Screw with Flange | M10 x 20mm | Zinc-Nickel Plated | High Tensile Strength | @Pack of 10 | by Wurth

BRAND: Wurth
SKU: 26321020
$71.70 List price: $90.20
10 PCS ($7.17 per PCS)
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Hexagon Head Serrated Screw with Flange is designed for utility vehicle construction, featuring a robust M10 x 20mm size and zinc-nickel plating for superior corrosion resistance. With a high tensile strength of property class 10.9 and a serrated flange head that prevents self-loosening, this screw is perfect for commercial vehicle frame assembly and general mechanical fastening applications.
Technical Specifications
  • Thread type x nominal diameter x pitch: M10 x 1.5
  • Length: 20 mm
  • Head diameter: 21 mm
  • Head height: 8.5 mm
  • External drive: WS15 (Outer hexagon)
  • Standards: WN 263
  • Material: Steel
  • Property class: 10.9
  • Surface finish: Zinc nickel silver plating
  • Corrosion protection period: Approx. 720 hours (DIN EN ISO 9227-NSS salt spray test)
  • Thread form: Standard metric thread
  • Design: Threaded to head
  • Drive type: Outer hexagon
  • Head type: Hexagon head with flange
  • Locking device operating principle: Ribs
  • Locking function: Mechanical interlocking to prevent self-loosening
  • Thread design: Full thread
  • Area of application: Utility vehicle construction
  • RoHS-compliant: Yes
  • Dimensions (H x L x W): 8.5mm x 20mm x 21mm
  • Weight: 0.05 kg
Key Features
  • Zinc-nickel plated for corrosion resistance
  • Strength class 10.9 for high tensile strength
  • Fine thread from M12 with full thread design
  • Serrated flange head provides locking against self-loosening by mechanical interlocking
  • Chromium(VI)-free and RoHS-compliant
  • Approx. 720 hours corrosion protection in salt spray test (DIN EN ISO 9227-NSS)
  • Locking ribs cause surface-hardening plastic deformation to reduce settling and loss of pretensioning force
Professional Installation Requirements
  • Installation by a qualified technician or mechanic is recommended to ensure proper torque and locking function.
Applications
  • Utility vehicle construction
  • Commercial vehicle frame assembly
  • General mechanical fastening requiring high strength and corrosion resistance
Standards & Compliance
  • Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • Chromium(VI)-free plating reduces environmental and health hazards
  • RoHS-compliant material ensures reduced hazardous substances
Warranty Information

Wurth standard warranty against manufacturing defects applies.

Available Now

Wurth Hexagon Head Serrated Screw with Flange M10 x 20mm is available for immediate purchase, ideal for utility and commercial vehicle construction applications.