Taps for taper thread. Specifications
STANDARD published on 1.7.1981
Designation standards: GOST 6227-80
Publication date standards: 1.7.1981
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 4.87
Amd. 1.91