Carbid tipped counterbores. Technical requirements
NORMA vydaná dňa 1.1.1977
Designation standards: GOST 12509-75
Publication date standards: 1.1.1977
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST
Implemented changes and corrections:
Amd. 2.82
Amd. 3.87
Amd. 1.89
Amd. 4.91