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

ISO 14581 steel 08.8, zinc-nickel, black
SCR-CS-ISO14581-08.8-(ZNBHL)-M8X20

Art.-no. 401268 20
EAN 4053479666716

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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
Product information

Datasheets(X)

Certificates/ Documents

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Thread type x nominal diameter (d1)

M8

Length (l1)

20 mm

Head diameter (dk )

15.8 mm

Head height (k1)

4.65 mm

Standards

ISO 14581

Material

Steel

Property class

08.8

Surface

Zinc nickel black

RoHS-compliant

Yes

Corrosion protection period

480 h

Head type

Countersunk head

Head details

0 - not applicable

Drive type

Internal hexalobular

Internal drive

TX45

Thread type

Metric thread

Pitch

1.25 mm

Thread form

Standard metric thread

Thread design

0 - not applicable

Design

0 - not applicable

Product class

A

Area of application

0 - not applicable

Regulated area

0 - not applicable

Construction product

0 - not applicable

EC declaration of conformity (CE)

0 - not applicable

Art.-no.
Cust. Mat. No.

Hazardous Material

Product information

Datasheets()

Datasheets ()

CAD data  | 

Certificates/ Documents

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Technical information