Hexagonal bolt with shank ISO 4014, 12.9 steel with silver zinc-flake coating (ZFSHL) - SCR-HEX-ISO4014-12.9-(ZFSHL)-M20X100

Hexagonal bolt with shank ISO 4014, 12.9 steel with silver zinc-flake coating (ZFSHL)

Name: Hexagonal bolt with shank ISO 4014, 12.9 steel with silver zinc-flake coating (ZFSHL)
Brand: Würth
SKU: 4164420100

SCR-HEX-ISO4014-12.9-(ZFSHL)-M20X100

Art.-no. 4164420100

EAN 4046777822311

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Hexagonal bolt with shank ISO 4014, 12.9 steel with silver zinc-flake coating (ZFSHL)

Art.-no. 4164420100

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Quantity

x 25 pcs

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Zinc flake coatings are chrome (VI)-free corrosion protection coatings for commercial vehicle construction, construction machines, agricultural vehicles and equipment, and all other fields that require vehicle construction standard corrosion protection requirements.

The corrosion resistance of ZFHSL is as follows:

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 lubrication that alters the friction coefficient.

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

Notice

ISO 4014 replaces DIN 931 | Standards are equivalent | Nominal dimensions extended | Width across flats changed for M10, M12, M14 and M22.

The dip-spin process typical of zinc-flake coatings can have a negative effect on the trueness to gauge in the case of small threads. For this reason, it is possible to ensure the screwability of size M5 threads, but not trueness to gauge.

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents


Thread type x nominal diameter (d₁)	M20
Length (l₁)	100 mm
Head height (k₁)	12.5 mm
External drive (s₁)	WS30
Standards	ISO 4014
Material	Steel
Property class	12.9
Surface	Flake zinc silver
Corrosion protection period (3)	720 h
Head type	Hexagon head
Drive type	Outer hexagon
Thread type	Metric thread
Thread form	Standard metric thread
Thread design	Partial thread
Thread length (metric thread) (b)	46 mm
Design	With shaft
Product class	A
RoHS-compliant	Yes
Tightening torque 90% yield strength (1)	674 Nm
Min./max. resulting pre-load force (2)	106.8-213.5 kN
Disc with hardness to be used	≥ 380 HV
Nut to be used with strength class	≥ 12

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