Screw gauges. Reference gauges on wearing for ring thread "go" gauges. Whitworth thread. Diameter W1/8" - W3"
STANDARD published on 1.11.1964
Designation standards: STN 254153
Classification mark: 254153
Catalog number: 56135
Publication date standards: 1.11.1964
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Category: Technical standards STN