Washer for screw with heavy clamping sleeve DIN 7349, zinc plated 100 HV/200 HV steel, thick-layer passivation with sealing (ZSM) - WSH-DIN7349-100HV-(ZSM)-D21,0

Washer for screw with heavy clamping sleeve DIN 7349, zinc plated 100 HV/200 HV steel, thick-layer passivation with sealing (ZSM)

Name: Washer for screw with heavy clamping sleeve DIN 7349, zinc plated 100 HV/200 HV steel, thick-layer passivation with sealing (ZSM)
Brand: Würth
SKU: 049755020

DIN 7349 steel 200 HV zinc ptd. thick-layer pass.
WSH-DIN7349-100HV-(ZSM)-D21,0

Art.-no. 049755020

EAN 4065745423626

All versions

Specification

Connection elements with galvanised chromium (VI)-free thick-film passivation (ZSM) offer a future-proof alternative to surfaces containing chromium (VI). The coating consists of a zinc layer with passivation on a chromium (III) basis with sealing. Washers with ZSM coating can be paired with ZSML as well as VZD-coated threaded parts.

Overview of advantages:

Chromium (VI)-free alternative to A2C or A3C

Thermal capacity up to 120°C

Even coat distribution

Functional and decorative

Notice200 HV to s less than/equal to 6 mm
100 HV s greater than 6 mm

Technical information


Suitable for screw thread	M20
Internal diameter (d₁)	21 mm
Outer diameter (d₂)	44 mm
Thickness (h₁)	8.000 mm
Standards	DIN 7349
Material	Steel
Vickers hardness, HV	100 HV
Surface	Zinc plated thick-layer passivation
RoHS-compliant	Yes
Suitable for	Screws with heavy duty clamping sleeves