Trade Discount 21%
Countersunk Head Screw Steel 10.9 Zinc Nickel Wurth
Wurth Countersunk Head Screw ISO Steel Zinc-Nickel features M4, 12mm length and 7.96mm head diameter. Chromium (VI)-free coating for environmental safety.
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Technical Specifications
- Thread type x nominal diameter: M4
- Length: 12 mm
- Head diameter: 7.96 mm
- Head height: 2.48 mm
- Internal drive: Hexagon socket HS2.5
- Standards: ISO 10642
- Material: Steel
- Property class: 10.9
- Surface finish: Zinc nickel black coating
- Corrosion protection period: 480 hours
- RoHS-compliant: Yes
- Head type: Countersunk head
- Drive type: Hexagon socket
- Thread type: Metric thread
- Thread form: Standard metric thread
- Thread design: Full thread
- Product class: A
- Dimensions (H x L x W): 2.48mm x 12mm x 7.96mm
- 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 480 hours for M4 diameter screws
- Adjusted friction coefficient range of 0.09 μ–0.14 μ due to integrated lubricating particles
- Thermal capacity up to 120°C
- Full metric thread with hexagon socket drive
- Countersunk head design for flush mounting
Professional Installation Requirements
- Installation by qualified personnel recommended to ensure correct torque and fastening integrity.
Applications
- Mechanical assemblies requiring high strength fasteners
- Corrosion-prone environments needing zinc-nickel coated screws
- Industrial and automotive fastening applications
- Precision equipment assembly with countersunk head requirements
Standards & Compliance
- Complies with AS/NZS 4789 for fasteners and corrosion resistance standards
Environmental Benefits
- Chromium (VI)-free coating reduces environmental and health hazards
- RoHS-compliant material ensures reduced toxic substance usage
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 corrosion-resistant high-strength screws.
