
Tapered countersinks for machining parts for light alloys. Design and dimensions
NORMA vydaná dňa 1.1.1977
Designation standards: GOST 21581-76
Publication date standards: 1.1.1977
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST