Trade Discount 21%
Countersunk Head Screw ISO 10642 | Strength Class 10.9 | Zinc-Nickel Coated | Black Finish | @Pack of 25 | by Wurth
Countersunk head screw ISO 10642 with strength class 10.9 and zinc-nickel coating is perfect for high-strength mechanical assemblies. Designed for corrosion-prone environments, this screw features a hexagon socket drive for flush mounting and offers corrosion resistance for up to 480 hours. Ideal for industrial and automotive applications, it ensures secure fastening and durability.
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Product Name/Title: Countersunk Head Screw ISO 10642 | Strength Class 10.9 | Zinc-Nickel Coated | Black Finish | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 4123640440
Alternatively Known As: Hex Socket Countersunk Screw, ISO 10642 Screw, Zinc-Nickel Plated Countersunk Bolt, High Strength Hexagon Socket Screw
Technical Specifications
- Thread type x nominal diameter (d1): M4
- Length (l1): 40 mm
- Head diameter (dk): 7.96 mm
- Head height (k1): 2.48 mm
- Internal drive (s1): HS2.5
- Standards: ISO 10642
- Material: Steel
- Property class: 10.9
- Surface: Zinc nickel black
- Corrosion protection period: 480 h
- RoHS-compliant: Yes
- Head type: Countersunk head
- Drive type: Hexagon socket
- Thread type: Metric thread
- Thread form: Standard metric thread
- Thread design: Partial thread
- Product class: A
- Dimensions (H x L x W): 2.48mm x 40mm x 7.96mm
- Weight: 0.02 kg
Key Features
- Zinc-nickel black coating providing corrosion resistance up to 480 hours
- Chromium (VI)-free environmentally friendly coating
- Adjusted friction coefficient between 0.09 μ and 0.14 μ due to integrated lubricating particles
- Thermal capacity up to 120°C
- Countersunk head with hexagon socket drive for flush mounting
- Steel material with strength class 10.9 for high mechanical performance
- Partial metric thread design compliant with ISO 10642
Professional Installation Requirements
- Installation by a qualified technician or tradesperson is recommended to ensure proper torque and secure fastening.
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 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- Chromium (VI)-free coating reduces environmental and health hazards
- RoHS-compliant material ensuring reduced hazardous substances
- Durable corrosion resistance extends product life, reducing waste
Warranty Information
Wurth provides warranty coverage against manufacturing defects as per standard terms and conditions.
Available Now
Wurth Countersunk Head Screw with Hexagon Socket ISO 10642 Steel Class 10.9 Zinc-Nickel Black 25 PCS is available for immediate purchase, ideal for industrial and mechanical fastening applications requiring corrosion resistance and high strength.
