Raised countersunk head screw with recessed head, H ISO 7047, steel 4.8, zinc-nickel, black (ZNBHL)

Name: Raised countersunk head screw with recessed head, H ISO 7047, steel 4.8, zinc-nickel, black (ZNBHL)
Brand: Würth
SKU: 51072420

ISO 7047 steel 4.8 zinc nickel black
SCR-ISO7047-4.8-H2-(ZNBHL)-M4X20

Art.-no. 51072420

EAN 4057709537210

All versions

Similar products

Prices for customers after login

Raised countersunk head screw with recessed head, H ISO 7047, steel 4.8, zinc-nickel, black (ZNBHL)

Art.-no. 51072420

Prices for customers after login

Quantity

x 500 pcs

Exclusively for trade customers

Login/Register
Call customer service:

Connection elements with a galvanised chrome (VI)-free zinc-nickel coating (ZNBHL black or ZNSHL silver) are suitable for applications with a high risk of corrosion. The coating comprises a zinc-nickel alloy layer and a seal (top coat with integrated lubricating particles).

Overview of advantages:

Corrosion resistance of up to 720 hrs to base metal corrosion in accordance with DIN EN ISO 9227 NSS

Adjusted friction coefficient range from 0.09μ – 0.14μ due to top coat with integrated lubricating particles
Thermal capacity up to 120 °C

Even coat distribution

Functional and decorative

Notice

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents


Thread type x nominal diameter (d₁)	M4
Length (l₁)	20 mm
Head diameter (d_k)	8.4 mm
Head height (k₁)	2.7 mm
Standards	ISO 7047
Material	Steel
Property class	4.8
Surface	Zinc nickel black
RoHS-compliant	Yes
Head type	Raised countersunk head
Head details	0 - not applicable
Drive type	Crosshead
Internal drive	H2
Thread type	Metric thread
Pitch	0.7 mm
Thread form	Standard metric thread
Thread design	0 - not applicable
Design	0 - not applicable
Product class	A
Area of application	0 - not applicable
Regulated area	0 - not applicable
Construction product	0 - not applicable
EC declaration of conformity (CE)	0 - not applicable