Trade Discount 20%
Screw with Flattened Half Round Head | Strength Class 10.9 | Zinc-Nickel Plated | Hexagon Socket Drive | by Wurth
This screw with a flattened half round head is designed for high-strength applications, featuring a strength class of 10.9 and a durable zinc-nickel plating for superior corrosion resistance. Ideal for industrial and automotive use, it ensures reliable fastening in high corrosion risk environments, making it perfect for mechanical assemblies and metal construction.
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Product Name/Title: Screw with Flattened Half Round Head | Strength Class 10.9 | Zinc-Nickel Plated | Hexagon Socket Drive | by Wurth
Brand: Wurth
SKU: 42536410
Alternatively Known As: Button head screw with collar, Hex socket button head screw, Zinc-nickel plated fastener, High strength metric screw M4
Technical Specifications
- Thread type x nominal diameter: M4
- Length: 10 mm
- Head diameter: 9.4 mm
- Head height: 2.2 mm
- Internal drive: HS2.5 hexagon socket
- Standard: ISO 7380-2
- Material: Steel
- Property class: 10.9
- Surface finish: Zinc-nickel black coating (ZNBHL)
- Head type: Button head with collar
- Drive type: Hexagon socket
- Thread form: Standard metric thread
- Product class: A
- RoHS compliant: Yes
- Dimensions (H x L x W): 2.2mm x 10mm x 9.4mm
- Weight: 0.01 kg
Key Features
- Zinc-nickel black coating (ZNBHL) providing high corrosion resistance
- Chromium (VI)-free environmentally friendly coating
- Corrosion resistance up to 720 hours base metal protection per DIN EN ISO 9227 NSS
- Adjusted friction coefficient range of 0.09 μ–0.14 μ due to integrated lubricating particles
- Thermal capacity up to 120°C
- Button head with collar and hexagon socket drive
- Strength class 10.9 steel material
Professional Installation Requirements
- Installation by qualified personnel recommended to ensure correct torque and fastening integrity.
Applications
- High corrosion risk environments requiring durable fasteners
- Mechanical assemblies needing high strength screws
- Industrial and automotive applications
- General fastening in metal and machinery construction
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Chromium (VI)-free coating reduces environmental and health hazards
- Durable corrosion-resistant coating extends product life, reducing waste
Warranty Information
Warranty against manufacturing defects as per Wurth standard terms and conditions.
Available Now
Available for immediate purchase, ideal for industrial, automotive, and mechanical fastening applications requiring high corrosion resistance and strength.
