Welcome to Würth Ireland & Northern Ireland For trade customers only

TRADE CUSTOMERS

CLICK & COLLECT

FAST DELIVERY

CUSTOMER SERVICE +35361430200

OVER 43,000 PRODUCTS

Countersunk screw with hexalobular head ISO 14581, steel, strength class 8.8, zinc-nickel-plated, black (ZNBHL)
Countersunk screw with hexalobular head ISO 14581, steel, strength class 8.8, zinc-nickel-plated, black (ZNBHL) - 1
Countersunk screw with hexalobular head ISO 14581, steel, strength class 8.8, zinc-nickel-plated, black (ZNBHL) - 2

For detailed information, other images and documents, please select individual articles from the following table.

Countersunk screw with hexalobular head ISO 14581, steel, strength class 8.8, zinc-nickel-plated, black (ZNBHL)

See product details

Available in 3 versions

Prices for customers after login

Show availability in Würth trade store
Exclusively for trade customers

Register now and access more than 43,000 products

Variants

Exclusively for trade customers

Register now and access more than 43,000 products

Call customer service: +353 61 430200

Prices for customers after login

Fasteners with a zinc-plated chromium (VI)-free zinc-nickel black coating (ZNBHL) are suitable for applications with a high risk of corrosion. The coating comprises a zinc-nickel alloy layer and a sealing coat (top coat with integrated lubricating particles).



Corrosion resistance:



  • Diameter ≥ M2 – 360h*

  • Diameter ≥ M4 – 480h*

  • Diameter ≥ M10 – 720h*


  • *No base metal corrosion at points without thread in salt spray mist testing according to DIN EN ISO 9227 NSS


Overview of advantages:



  • Corrosion resistance of up to 720 hours against base metal corrosion in accordance with DIN EN ISO 9227 NSS

  • Chromium(VI)-free

  • Adjusted friction coefficient range from 0.09μ - 0.14μ due to top coat with integrated lubricating particles

  • Thermal capacity up to 120°C

  • Even coating distribution

  • Functional and decorative
Notice
  • Head dimensions in ISO 14581 countersunk screws are gauged in accordance with ISO 7721

  • Some screws with short dimensions are threaded up to the head, see also ISO 14581

  • Countersinks for screw heads in accordance with ISO 14581 must comply with ISO 15065