Steel Conduit Thread; Thread Gauges, "Go" and "Not go" Thread Ring Gauges.
STANDARD published on 1.11.1970
Designation standards: DIN 40431-1:1970-11
Publication date standards: 1.11.1970
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: German technical standard
Category: Technical standards DIN
Stahlpanzerrohr-Gewinde; Gewindelehren, Gewinde-Gutlehrringe und Ausschußlehrringe.