Trade Discount 20%
Hexagon Socket Button Head Screw | Zinc-Nickel Plated Black | Corrosion Resistant | @Pack of 25 | by Wurth
Hexagon Socket Button Head Screw with zinc-nickel black coating and corrosion resistance up to 480 hours—ideal for high corrosion risk environments. Built for industrial and automotive applications, these screws ensure secure fastening with a hexagon socket drive, complying with ISO 7380-1 standards.
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Product Name/Title: Hexagon Socket Button Head Screw | Zinc-Nickel Plated Black | Corrosion Resistant | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 42526425
Alternatively Known As: Hex Socket Button Head Screw, Zinc Nickel Plated Screw, ISO 7380-1 Screw, Black Coated Hexagon Socket Screw
Technical Specifications
- Thread type x nominal diameter: M4
- Length: 25 mm
- Head diameter: 7.6 mm
- Head height: 2.2 mm
- Material: Steel
- Property class: 010.9
- Surface finish: Zinc nickel black (ZNBHL)
- Corrosion protection period: 480 hours
- Head type: Button head
- Drive type: Hexagon socket (HS2.5)
- Thread form: Standard metric thread
- Product class: A
- RoHS-compliant: Yes
- Dimensions (H x L x W): 2.2mm x 25mm x 7.6mm
- Weight: 0.02 kg
Key Features
- Zinc-nickel black coating providing corrosion resistance up to 480 hours
- Chromium (VI)-free coating with integrated lubricating particles
- Thermal capacity up to 120°C
- Adjusted friction coefficient range of 0.09 μ–0.14 μ
- Complies with ISO 7380-1 standard
- Button head with hexagon socket drive (HS2.5)
Professional Installation Requirements
- Installation by a qualified technician or professional 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 automotive applications requiring RoHS-compliant screws
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Chromium (VI)-free coating reduces environmental and health hazards
- RoHS-compliant material ensures reduced hazardous substances
Warranty Information
Wurth standard warranty against manufacturing defects applies.
Available Now
Available for immediate purchase, ideal for industrial, automotive, and mechanical fastening applications requiring high corrosion resistance.
