Screw gauges. Limit thread rings "not go" side V-thread (angle between flanks=80 grads)
NORM herausgegeben am 13.1.1961
Designation standards: ČSN 254350
Classification mark: 254350
Catalog number: 2212
Publication date standards: 13.1.1961
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN