Trade Discount 21%
Hex Socket Button Head Screw | Zinc-Nickel Plated Black | Corrosion Resistant | M4 Size | @Pack of 25 | by Wurth
Hex Socket Button Head Screw with zinc-nickel plating and corrosion resistance up to 480 hours—ideal for high corrosion risk environments. Built for industrial and construction applications, this screw features a hexagon socket drive for secure fastening and a button head design for easy installation.
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Product Name/Title: Hex Socket Button Head Screw | Zinc-Nickel Plated Black | Corrosion Resistant | M4 Size | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 42526420
Alternatively Known As: Hex Socket Button Head Screw, Zinc-Nickel Plated Screw, ISO 7380-1 Screw, Black Coated Fastener
Technical Specifications
- Thread type x nominal diameter: M4
- Length: 20 mm
- Head diameter: 7.6 mm
- Head height: 2.2 mm
- Standards: ISO 7380-1
- Material: Steel
- Property class: 010.9
- Surface: Zinc nickel black
- Corrosion protection period: 480 h
- Head type: Button head
- Drive type: Hexagon socket
- Internal drive: HS2.5
- Thread type: Metric thread
- Thread form: Standard metric thread
- Thread length: 20 mm
- Product class: A
- RoHS-compliant: Yes
- Dimensions (H x L x W): 2.2mm x 20mm x 7.6mm
- Weight: 0.01 kg
Key Features
- Zinc-nickel black coating providing corrosion resistance up to 480 hours
- Chromium (VI)-free coating with integrated lubricating particles
- Hexagon socket drive for secure and easy installation
- Button (flattened half round) head design
- Thermal capacity up to 120°C
- Standard metric thread compliant with ISO 7380-1
Professional Installation Requirements
- Installation by a qualified professional or technician is recommended to ensure proper torque and fastening integrity.
Applications
- High corrosion risk environments requiring durable fasteners
- Mechanical assemblies needing secure fastening with hexagon socket drive
- Industrial and construction applications requiring corrosion-resistant screws
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Chromium (VI)-free coating reduces environmental and health hazards
- Durable corrosion resistance extends product life, reducing waste
Warranty Information
Warranty against manufacturing defects as per Wurth standard policy.
Available Now
Available for immediate purchase, ideal for industrial, mechanical, and construction applications requiring corrosion-resistant fasteners.
