Hexagonal bolt with flange - SCR-EN1665-8.8-F-WS18-(ZFSHL)-M12X20

Hexagonal bolt with flange

Name: Hexagonal bolt with flange
Brand: Würth
SKU: 416241220

EN 1665 steel 8.8 flake zinc silver
SCR-EN1665-8.8-F-WS18-(ZFSHL)-M12X20

Art.-no. 416241220

EAN 4060053699725

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Hexagonal bolt with flange

Art.-no. 416241220

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EN 1665, steel, strength class 8.8, zinc-flake coating, silver (ZFSHL)

Zinc-flake coatings are chromium (VI)-free corrosion protection coatings for commercial vehicle construction, construction machines, agricultural vehicles and equipment, and all other fields that have 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 tests 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 0.09-0.14 μ due to top coat with integrated lubricating particles

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Product information

Würth Catalogue

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Certificates/ Documents


Thread type x nominal diameter (d₁)	M12
Length (l₁)	20 mm
Head diameter (d_c)	26.6 mm
Head height (k₁)	11.8 mm
Standards	EN 1665
Material	Steel
Property class	8.8
Surface	Flake zinc silver
RoHS-compliant	Yes
Corrosion protection period	720 h
Head type	Hexagon head with flange
Drive type	Outer hexagon
External drive (s₁)	WS18
Thread type	Metric thread
Pitch	1.75 mm
Thread form	Standard metric thread
Thread design	Full thread
Thread length (metric thread)	20 mm
Product class	A