Hexagonal bolt with threading up to head ISO 4017, 12.9 steel with silver zinc-flake coating (ZFSHL) - SCR-HEX-ISO4017-12.9-(ZFSHL)-M12X70

Hexagonal bolt with threading up to head ISO 4017, 12.9 steel with silver zinc-flake coating (ZFSHL)

Name: Hexagonal bolt with threading up to head ISO 4017, 12.9 steel with silver zinc-flake coating (ZFSHL)
Brand: Würth
SKU: 416541270

SCR-HEX-ISO4017-12.9-(ZFSHL)-M12X70

Art.-no. 416541270

EAN 4052712359644

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Hexagonal bolt with threading up to head ISO 4017, 12.9 steel with silver zinc-flake coating (ZFSHL)

Art.-no. 416541270

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Quantity

x 50 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 4017 replaces DIN 933 | 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)	M12
Length (l₁)	70 mm
Head height (k₁)	7.5 mm
External drive (s₁)	WS18
Standards	ISO 4017
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	Full thread
Thread length (metric thread)	70 mm
Product class	A
RoHS-compliant	Yes
Tightening torque 90% yield strength (1)	140 Nm
Min./max. resulting pre-load force (2)	36.4-72.7 kN
Disc with hardness to be used	≥ 380 HV
Nut to be used with strength class	≥ 12

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