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Screw with Flattened Half Round Head | Zinc-Nickel Coated | Strength Class 10.9 | Hexagon Socket Drive | by Wurth
This screw with a flattened half round head features a zinc-nickel coating for superior corrosion resistance, making it ideal for high-risk environments. With a strength class of 10.9 and a hexagon socket drive, it’s perfect for industrial machinery assembly and construction applications. Designed for durability and reliability, this fastener ensures secure fastening in automotive and transport equipment.
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Product Name/Title: Screw with Flattened Half Round Head | Zinc-Nickel Coated | Strength Class 10.9 | Hexagon Socket Drive | by Wurth
Brand: Wurth
SKU: 42536416
Alternatively Known As: Button head screw with collar, Hex socket button head screw, Zinc-nickel coated screw, High strength steel screw M4x16
Technical Specifications
- Thread type x nominal diameter: M4
- Length: 16 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 (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 16mm x 9.4mm
- Weight: 0.02 kg
Key Features
- Zinc-nickel black coating (ZNBHL) providing high corrosion resistance
- Chromium (VI)-free coating for environmental safety
- Corrosion resistance up to 720 hours in salt spray testing (DIN EN ISO 9227 NSS)
- Top coat with integrated lubricating particles for adjusted friction coefficient (0.09 μ–0.14 μ)
- Thermal capacity up to 120°C
- Button head with collar and hexagon socket drive
- Steel material with strength class 10.9
Professional Installation Requirements
- Installation by qualified personnel recommended to ensure correct torque and secure fastening.
Applications
- High corrosion risk environments requiring durable fasteners
- Industrial machinery assembly
- Automotive and transport equipment
- Construction and structural applications
Standards & Compliance
- Complies with 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 construction applications requiring high corrosion resistance and strength.
