Trade Discount 20%
Countersunk Screw with Hexalobular Head ISO 14581 | Zinc-Nickel Plated | Corrosion Resistant | @Pack of 100 | by Wurth
Countersunk screws with hexalobular heads are designed for high corrosion risk environments, featuring a zinc-nickel plated finish for enhanced durability. Ideal for mechanical assemblies and industrial applications, these screws offer corrosion resistance up to 480 hours and a chromium (VI)-free coating for environmental safety. Perfect for automotive and construction fastening needs.
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Product Name/Title: Countersunk Screw with Hexalobular Head ISO 14581 | Zinc-Nickel Plated | Corrosion Resistant | @Pack of 100 | by Wurth
Brand: Wurth
SKU: 40126435
Alternatively Known As: Hexalobular countersunk screw, Torx countersunk screw, Zinc-nickel plated screw, ISO 14581 screw, Black coated countersunk screw
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.
