Screw gauges. Reference gauges on wear for thread rings with "go" side. V-thread (angle between flanks = 80°)
STANDARD published on 1.1.1961
Designation standards: STN 254348
Classification mark: 254348
Catalog number: 56191
Publication date standards: 1.1.1961
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Slovak technical standard
Category: Technical standards STN