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M4x40mm Zinc Plated Steel Socket Head Bolt | High-Strength Steel | Corrosion Resistant | by Wurth

BRAND: Wurth
SKU: 847440
$2.90 List price: $3.60
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The M4x40mm Zinc Plated Steel Socket Head Bolt is designed for reliable mechanical fastening in various applications, including industrial machinery assembly and automotive repairs. Made from high-strength steel with a property class of 8.8, this bolt features a corrosion-resistant zinc plated surface and a secure hexagon socket drive for optimal performance. Ideal for construction and structural applications, it ensures durability and compliance with ISO 4762 standards.

Product Name/Title: M4x40mm Zinc Plated Steel Socket Head Bolt | High-Strength Steel | Corrosion Resistant | by Wurth

Brand: Wurth

SKU: 847440

Alternatively Known As: Socket head cap screw, Hex socket bolt, Metric socket bolt M4x40

Technical Specifications
  • Thread type x nominal diameter (d1): M4
  • Length (l1): 40 mm
  • Head diameter (dk): 7 mm
  • Head height (k1): 3 mm
  • Standards: ISO 4762
  • Material: Steel
  • Property class: 8.8
  • Surface: Zinc plated
  • RoHS-compliant: Yes
  • Head type: Socket head
  • Drive type: Hexagon socket
  • Internal drive: HS3
  • Thread type: Metric thread
  • Pitch: 0.7 mm
  • Thread form: Standard metric thread
  • Thread design: Full thread
  • Thread length (metric thread): 40 mm
  • Product class: A
  • Dimensions (H x L x W): 3mm x 40mm x 7mm
  • Weight: 0.1 kg
Key Features
  • Made from high-strength steel with property class 8.8
  • Zinc plated surface for corrosion resistance
  • Socket head with hexagon internal drive (HS3) for secure fastening
  • Full metric thread with standard pitch of 0.7 mm
Professional Installation Requirements
  • Installation requires appropriate hex key or Allen wrench; professional installation recommended for critical applications.
Applications
  • General mechanical fastening
  • Industrial machinery assembly
  • Automotive repairs and assembly
  • Construction and structural applications
Standards & Compliance
  • Complies with AS/NZS 4762 equivalent ISO 4762 for socket head cap screws
Environmental Benefits
  • RoHS-compliant material reduces hazardous substances
  • Zinc plating extends product life reducing replacement frequency
Warranty Information

Standard manufacturer warranty against defects in material and workmanship.

Available Now

The Wurth M4 x 40mm Zinc Plated Steel Socket Head Bolt is available for immediate purchase, ideal for industrial, automotive, and construction fastening needs.