Machine shell solid end-fluted reamers for light alloys. Design and dimensions
STANDARD published on 1.1.1976
Designation standards: GOST 20390-74
Publication date standards: 1.1.1976
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 4.77
Amd. 2.82