Flat-head screw with H cross recess ISO 7045, steel 4.8, zinc-nickel, black (ZNBHL) - SCR-PAN-ISO7045-4.8-(ZNBHL)-H2-M5X25

Flat-head screw with H cross recess ISO 7045, steel 4.8, zinc-nickel, black (ZNBHL)

Name: Flat-head screw with H cross recess ISO 7045, steel 4.8, zinc-nickel, black (ZNBHL)
Brand: Würth
SKU: 51038525

SCR-PAN-ISO7045-4.8-(ZNBHL)-H2-M5X25

Art.-no. 51038525

EAN 4052713798572

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Flat-head screw with H cross recess ISO 7045, steel 4.8, zinc-nickel, black (ZNBHL)

Art.-no. 51038525

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Quantity

x 200 pcs

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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 hrs to base metal corrosion in accordance with DIN EN ISO 9227 NSS

Chromium(VI)-free

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

Thermal capacity up to 120°C

Even coat distribution

Functional and decorative

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents


Thread type x nominal diameter (d₁)	M5
Length (l₁)	25 mm
Head diameter (d_k)	9.5 mm
Head height (k₁)	3.7 mm
Standards	ISO 7045
Material	Steel
Property class	4.8
Surface	Zinc nickel black
RoHS-compliant	Yes
Head type	Pan head
Drive type	Crosshead
Internal drive	H2
Thread type	Metric thread
Pitch	0.8 mm
Thread form	Standard metric thread
Thread design	Full thread
Product class	A
Tightening torque 90% yield strength (1)	3.2 Nm
Min./max. resulting pre-load force (2)	1.8-3.6 kN
Corrosion protection period (3)	480 h
Disc with hardness to be used	≥ 140 HV
Nut to be used with strength class	≥ 4

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