DIN 433 > DIN EN ISO 7092

Old norm DIN 433 Product grade A washers, designed for use with cheese head screws
Current norm: DIN EN ISO 7092 Plain washers - Small series, Product grade
Current release: 2000-11
Changes: nominal dimensions 1, 1.2, 1.4, 1.8 cancelled
niminal dimensions 22, 27, 33 assimilated
grade 140 HV has been dropped
nominal dimensions defined based on thread diameter (ISO); until now hole diameter (DIN)
indication to zinc flake coatings added
Comment: interchangeable