Raised countersunk head screw with recessed head, H ISO 7047, steel 8.8, zinc flake, silver (ZFSHL)

Name: Raised countersunk head screw with recessed head, H ISO 7047, steel 8.8, zinc flake, silver (ZFSHL)
Brand: Würth
SKU: 403148 16

SCR-RSDCS-ISO7047-8.8-H4-(ZFSHL)-M8X16

Art.-no. 403148 16

EAN 4046777914078

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Raised countersunk head screw with recessed head, H ISO 7047, steel 8.8, zinc flake, silver (ZFSHL)

Art.-no. 403148 16

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Quantity

x 100 pcs

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Zinc-flake coatings are chrome-(VI)-free corrosion protection coatings for commercial vehicle assembly, construction machinery, agricultural vehicles and equipment, and all other areas that have corrosion protection requirements at vehicle construction level.

Corrosion resistance for ZFSHL is:

Diameter ≥ M6 - 480h*

Diameter ≥ M10 - 720h*

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

The designation ZFSHL refers to the following corrosion coating:

Zinc-flake coating, with top coat, silver colour, with friction value adjusted lubrication.

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

Notice

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents


Thread type x nominal diameter (d₁)	M8
Length (l₁)	16 mm
Head diameter (d_k)	15.8 mm
Head height (k₁)	4.65 mm
Standards	ISO 7047
Material	Steel
Property class	8.8
Surface	Flake zinc silver
RoHS-compliant	Yes
Head type	Raised countersunk head
Drive type	Crosshead
Internal drive	H3
Thread type	Metric thread
Pitch	1.25 mm
Thread form	Standard metric thread
Thread design	Full thread
Thread length (metric thread)	16 mm
Product class	A
Tightening torque 90% yield strength (1)	31.5 Nm
Min./max. resulting pre-load force (2)	9.3-18.6 kN
Corrosion protection period (3)	480 h
Disc with hardness to be used	≥ 200 HV
Nut to be used with strength class	≥ 8

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