Screw gauges. Reference gauges on wearing for ring thread "go" gauges. Cylindrical pipe thread diameter G1/8" - G3 1/2"
STANDARD published on 1.3.1963
Designation standards: STN 254183
Classification mark: 254183
Catalog number: 56148
Publication date standards: 1.3.1963
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: Slovak technical standard
Category: Technical standards STN