Solid counterbores and high steel inserted blade counterbores. Technical requirements
STANDARD published on 1.1.1977
Designation standards: GOST 1677-75
Publication date standards: 1.1.1977
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 3.82
Amd. 12.82
Amd. 6.87
Amd. 5.89