Trade Discount 21%
Hexalobular-Type Cheese Head Screw | M4 Size | Zinc Nickel Coated | Corrosion Resistant | @Pack of 25 | by Wurth
Hexalobular-Type Cheese Head Screws are designed for reliable fastening in industrial and automotive applications, featuring a corrosion-resistant zinc nickel coating that provides up to 480 hours of protection. Ideal for environments exposed to moisture or salt spray, these screws ensure durability and performance, making them perfect for mechanical assemblies requiring high-quality fasteners.
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Product Name/Title: Hexalobular-Type Cheese Head Screw | M4 Size | Zinc Nickel Coated | Corrosion Resistant | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 40006425
Alternatively Known As: Torx low head screw, Hexalobular socket screw, Zinc nickel coated screw, M4 cheese head screw
Technical Specifications
- Thread type: Metric thread M4 with 0.7 mm pitch
- Length: 25 mm
- Head diameter: 7 mm
- Head height: 3.1 mm
- Material: Steel
- Property class: 8.8
- Surface finish: Zinc nickel black coating (ZNBHL)
- Corrosion protection period: 480 hours
- Drive type: Internal hexalobular (TX20)
- Thread design: Full thread
- RoHS-compliant: Yes
- Standard: ISO 14580
- Dimensions (H x L x W): 3.1mm x 25mm x 7mm
- Weight: 0.02 kg
Key Features
- Galvanised chromium (VI)-free zinc-nickel black coating for high corrosion resistance
- Corrosion resistance up to 480 hours for M4 diameter screws according to DIN EN ISO 9227 NSS
- Decorative black finish with integrated lubricating particles in top coat
- Thermal capacity up to 120°C
- Adjusted friction coefficient range from 0.09μ to 0.14μ
- Full metric thread with internal hexalobular (TX20) drive
- Socket low head design for compact fastening
Professional Installation Requirements
- Installation by qualified personnel using appropriate hexalobular (Torx) drivers is recommended to ensure proper fastening and avoid damage.
Applications
- Mechanical assembly requiring corrosion-resistant fasteners
- Industrial and automotive applications with high corrosion risk
- General fastening in environments exposed to moisture or salt spray
Standards & Compliance
- Complies with AS/NZS 4789 for fasteners and corrosion resistance
Environmental Benefits
- Chromium (VI)-free coating reduces environmental and health hazards
- Durable corrosion protection extends product life, reducing waste
Warranty Information
Warranty against manufacturing defects as per Wurth standard terms and conditions.
Available Now
Wurth Hexalobular-Type Cheese Head Low Head Screws M4 x 25mm - 25 PCS are available for immediate purchase, ideal for industrial, automotive, and mechanical fastening applications requiring corrosion resistance.
