For detailed information, other images and documents, please select individual articles from the following table.
Raised countersunk head screw with H cross recess ISO 7047, black zinc-nickel plated 4.8 steel (ZNBHL)
Register now and access more than 20,000 products
Variants
Register now and access more than 20,000 products
Fasteners with a galvanised chromium(VI)-free, zinc-nickel plated (ZNBHL black or ZNSHL silver) are suitable for applications with the highest risk of corrosion. The coating comprises a zinc nickel alloy layer and a sealing coat (top coat with integrated lubricating particles).
The advantages at a glance:
- Resistance of up to 720 hours against base metal corrosion in accordance with DIN EN ISO 9227 NSS
- Adjusted friction coefficient range from 0.09-0.14 μ due to top coat with integrated lubricating particles
- Thermal load capacity up to 120 °C
- Even coating distribution
- Functional and decorative
ISO 7047 replaces DIN 966 | Standards are not fully equivalent | Some head heights and head diameters have been changed | Thread lengths changed | Strength class 5.8 and 8.8 omitted | Cross recess penetration depths changed.
Select RAL-colour code
!! NOTE: On-screen visualisation of the colour differs from real colour shade!!