SERRATED LOCK WASHER
SK-S – SK-M – SK-B – SK-K – SK-Z
Lock Washer
The effective protection against self loosening and unscrewing.
The “SK” Serrated Locking Washer and “NSK” (improved design) prevent self-loosening of screwed joints and damage to the bearing surfaces and consequent variations in the tightening torques, as they occur in threadlockers with teeth are avoided with lock washers through the special geometrical shape of the locking edges.
SK-S
Lock washer Shape S (small)
SK-M
Lock washer Shape M (middle)
SK-B
Lock washer Shape B (big)
SK-K
Lock washer Shape K (toothed for electrical joints)
SK-Z
Lock washer Shape Z (for socket head screws / premounted)
The advantages and features
Advantages
- protection of the surface
- reusable
- independent from materials
- low variation of torque at mounting
- does not turn itself when the screw is turned
- usable for any standard screw with metrical thread
specially useful for:
- slotted holes
- assemblies with dynamic load
- sheet metal scew joints
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
Available materials and surfaces
- stainless stell A4 /1.4401)
- Spring steel C60
- Zinc flake coated (e.g. GEOMET)
- Mechanical zinc plated
- Other surfaces on request
You can also get small quantities from us!
Made in GERMANY
