Flat washer with chamfer

Name: Flat washer with chamfer
Brand: Würth
SKU: 464260712

ISO 7090 steel 300 HV, zinc nickel, black
WSH-ISO7090-300HV-(ZNBH)-12

Art.-no. 464260712

EAN 4059608526357

All versions

Specification

ISO 7090 steel 300 HV, zinc nickel, black (ZNBH)

Washers with a zinc-plated chromium (VI)-free zinc-nickel black coating (ZNBH) are suitable for applications with a high risk of corrosion. They are the perfect visual and functional addition to the screws and nuts in the programme that have a zinc-nickel black (ZNBHL) surface.

Corrosion resistance:

Washers for ≥ M2–360h*

Washers for ≥ M4–480h*

Washers for ≥ 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 hours against base metal corrosion in accordance with DIN EN ISO 9227 NSS

Chromium(VI)-free

Thermal capacity up to 120°C

Even coating distribution

Functional and decorative

Technical information


Suitable for screw thread	M12
Internal diameter (d₁)	13 mm
Outer diameter (d₂)	24 mm
Thickness (h₁)	2.5 mm
Standards	ISO 7090
Material	Steel
Vickers hardness, HV	300 HV
Surface	Zinc nickel black
RoHS-compliant	Yes
Corrosion protection period	720 h
Locking function	Embedding locking device