CONTACT LOCK WASHER
VKSS – VKSM – VKSB – VKSK based on AFNOR / NFE 25-511 / SN70093
Contact Lock Washer
The contact lock washer to NFE 25-511 and SN 70093 with grooved surface provides the designer the ability to secure wobble-prone screw effectively.
It is particularly suitable for use on slot fasteners, dynamic cross-loaded to the screw connections and applications that require high biasing forces.
Operational: The contact wheel ensures positively spring and a form-fitting locking.
VKSS
Contact lock washer Shape S (small)
VKSM
Contact lock washer Shape M (middle)
VKSB
Contact lock washer Shape B (big)
VKSK
Contact lock washer Shape K (toothed for electrical joints)
The advantages and features
Advantages
- multifunctional component
- no need to change component
- readjustment deleted
- high elasticity
- reusable
- material independently
- temperature insensitive
- no rotation during screwing
- suitable for any standard bolt
Application areas
- Switch cabinet construction
- Railway vehicles
- Wagon construction
- Electric vehicles
- Hybrid vehicles
- Mechanical Engineering
- Plant engineering
- Photovoltaics
- Solar thermal
- Hydrogen plants
- Tank facilities
- Wind power plants
- Wallboxes
- EV Charger
- Electric grounding
Available Versions
Form S = narrow – for small headrests
Form M = average – for normal headrests
Form B = wide – for large pressure transmission surfaces and slot fasteners
Form K = serrated – for electrically conductive connections with contact teeth (SN 70093)
Materials and surfaces
- Spring steel hardened 420-510 HV 10
raw / greased - mechanically galvanized
- zinc flake coating (eg GEOMET 321A)
- Rust and acid-resistant steel (A2 and A4) coatless
You can also get small quantities from us!
Made in GERMANY
