Königsberger Strasse 30

58840 Plettenberg - Germany

Mo. to Fr. 7:00 am - 5:00 pm

SERRATED LOCK WASHER
SK-S – SK-M – SK-B – SK-K – SK-Z 

Lock Washer

The effective protection against self loosening and unscrewing.

TheSK” 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

specially useful for:

Application Areas

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