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Hexalobular-type Cheese Head Screw | Low Head Design | Zinc Nickel Coated | Corrosion Resistant | @Pack of 25 | by Wurth
Hexalobular-type cheese head screws with a low head design and zinc nickel coating are perfect for high corrosion risk applications. Designed for mechanical assemblies, these screws offer exceptional corrosion resistance up to 480 hours, making them ideal for industrial and construction fastening needs. The decorative black finish not only enhances aesthetics but also ensures durability in challenging environments.
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Technical Specifications
- Thread type x nominal diameter: M4
- Length: 16 mm
- Head diameter: 7 mm
- Head height: 3.1 mm
- Standards: ISO 14580
- Material: Steel
- Property class: 8.8
- Surface: Zinc nickel black
- RoHS-compliant: Yes
- Corrosion protection period: 480 hours
- Head type: Socket low head
- Drive type: Internal hexalobular
- Internal drive: TX20
- Thread type: Metric thread
- Pitch: 0.7 mm
- Thread form: Standard metric thread
- Thread design: Full thread
- Thread length (metric thread): 16 mm
- Product class: A
- Dimensions (H x L x W): 3.1mm x 16mm x 7mm
- Weight: 0.02 kg
Key Features
- Galvanised chromium (VI)-free zinc-nickel black coating (ZNBHL) for high corrosion resistance
- Decorative black finish
- Corrosion resistance up to 480 hours for M4 diameter screws according to DIN EN ISO 9227 NSS
- Coating includes zinc-nickel alloy layer with sealing coat and integrated lubricating particles
- Thermal capacity up to 120°C
- Adjusted friction coefficient range from 0.09μ to 0.14μ
- Even coating distribution
- Chromium (VI)-free
Professional Installation Requirements
- Installation by a qualified professional is recommended to ensure proper torque and fastening integrity.
Applications
- Suitable for high corrosion risk applications
- Mechanical assemblies requiring corrosion-resistant fasteners
- Industrial and construction fastening needs
Standards & Compliance
- Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- Chromium (VI)-free coating reduces environmental and health hazards
- Long corrosion resistance extends product life, reducing waste
Warranty Information
Standard manufacturer warranty applies. Please refer to Wurth warranty policy for details.
Available Now
Available for immediate purchase, ideal for industrial, construction, and mechanical fastening applications.
