Carbide tipped counterbores for machining corrosion proof and heat-resisting steels and alloys. Design and dimensions
STANDARD published on 1.1.1977
Designation standards: GOST 21540-76
Publication date standards: 1.1.1977
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 4.84