M18 External Tooth Serrated Lock Washer DIN 6798A, Class 350 HV, Spring Steel, Zinc Yellow Plated
WHC730-500
https://www.fastenermart.com/mm5/graphics/00000001/DIN6798A.gif
53.14
1025.49
2
53.14
80.00
pcs
1025.49
2000.00
pcs

DIN 6798 A Specifications