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Countersunk Screw with Hexalobular Head 35mm Wurth
Wurth Countersunk Screw with Hexalobular Head ISO features M4, 35mm length and 8.4mm head diameter. Chromium (VI)-free coating for environmental safety.
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Technical Specifications
- Thread type x nominal diameter (d1): M4
- Length (l1): 35 mm
- Head diameter (dk): 8.4 mm
- Head height (k1): 2.7 mm
- Standards: ISO 14581
- Material: Steel
- Property class: 08.8
- Surface: Zinc nickel black
- RoHS-compliant: Yes
- Corrosion protection period: 480 h
- Head type: Countersunk head
- Drive type: Internal hexalobular
- Internal drive: TX20
- Thread type: Metric thread
- Pitch: 0.7 mm
- Thread form: Standard metric thread
- Product class: A
- Dimensions (H x L x W): 2.7mm x 35mm x 8.4mm
- Weight: 0.05 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 between 0.09μ and 0.14μ due to integrated lubricating particles
- Thermal capacity up to 120°C
- Even coating distribution for functional and decorative purposes
Professional Installation Requirements
- Installation by a qualified technician or tradesperson is recommended to ensure proper torque and fastening integrity.
Applications
- High corrosion risk environments requiring durable fasteners
- Mechanical assemblies needing countersunk head screws
- Industrial and automotive fastening applications
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
- RoHS-compliant material ensures reduced hazardous substances
Warranty Information
Warranty against manufacturing defects as per Wurth standard terms and conditions.
Available Now
The Wurth Countersunk Screw with Hexalobular Head ISO 14581 is available for immediate purchase, ideal for industrial, automotive, and construction fastening applications.
