Trade Discount 21%
Countersunk Screw ISO 14581 | Hexalobular Head | Zinc-Nickel Coated | Corrosion Resistant | @Pack of 100 | by Wurth
Countersunk screws ISO 14581 with a hexalobular head and zinc-nickel coating are perfect for high corrosion risk applications. Designed for mechanical assemblies, these screws offer exceptional durability with corrosion resistance up to 480 hours. Ideal for industrial and construction fastening solutions, they ensure reliable performance in demanding environments.
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Product Name/Title: Countersunk Screw ISO 14581 | Hexalobular Head | Zinc-Nickel Coated | Corrosion Resistant | @Pack of 100 | by Wurth
Brand: Wurth
SKU: 40126420
Alternatively Known As: Hexalobular countersunk screw, Torx countersunk screw, Zinc-nickel coated screw, ISO 14581 screw
Technical Specifications
- Thread type x nominal diameter: M4
- Length: 20 mm
- Head diameter: 8.4 mm
- Head height: 2.7 mm
- Standards: ISO 14581
- Material: Steel
- Property class: 08.8
- Surface: Zinc nickel black
- RoHS-compliant: Yes
- Corrosion protection period: 480 hours
- Head type: Countersunk head
- Drive type: Internal hexalobular
- Internal drive size: 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 20mm x 8.4mm
- 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 480 hours for M4 diameter screws
- Adjusted friction coefficient from 0.09μ to 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 qualified personnel recommended to ensure proper torque and fastening integrity.
Applications
- High corrosion risk applications requiring durable fasteners
- Mechanical assemblies needing countersunk head screws
- Industrial and construction fastening solutions
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
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.
Available Now
Available for immediate purchase, ideal for industrial, mechanical, and construction fastening applications.
