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Countersunk Screw ISO 14581 Hexalobular TX20 Drive Blue Passivated Zinc Plated Wurth

BRAND: Wurth
SKU: 40231445
$46.00 List price: $57.80
100 PCS ($0.46 per PCS)
+
Countersunk screws ISO 14581 with a hexalobular TX20 drive and blue passivated zinc plating are perfect for mechanical assembly and industrial applications.
Technical Specifications
  • Thread type x nominal diameter (d1): M4
  • Length (l1): 45 mm
  • Head diameter (dk): 8.4 mm
  • Head height (k1): 2.7 mm
  • Standards: ISO 14581
  • Material: Steel
  • Property class: 8.8
  • Surface: Zinc plated
  • RoHS-compliant: Yes
  • 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 45mm x 8.4mm
  • Weight: 0.02 kg
Key Features
  • Hexalobular (TX) drive transmits force over a large surface area across the flanks of the drive, reducing tool wear.
  • Tool does not slip due to optimal force distribution.
  • No damage to surface coating during installation.
  • No wobbling; screw locates securely.
  • Complies with DIN EN ISO 10664 for hexalobular drives.
  • Standardized connection elements usable worldwide.
Professional Installation Requirements
  • Installation by a qualified technician or tradesperson is recommended to ensure proper torque and secure fastening.
Applications
  • Mechanical assembly requiring secure fastening
  • Industrial machinery and equipment
  • Automotive and aerospace components
  • General engineering and construction
Standards & Compliance
  • AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • RoHS-compliant material reduces hazardous substances.
  • Durable zinc plating extends product life, reducing waste.
Warranty Information

Wurth standard warranty against manufacturing defects applies.

Available Now

Available for immediate purchase, ideal for industrial and mechanical assembly applications.