Twist drills with straight shanks for hard to machine materials. Middle series. Construction and dimensions
NORM herausgegeben am 1.1.1977
Designation standards: GOST 20695-75
Publication date standards: 1.1.1977
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST
Implemented changes and corrections:
Amd. 12.82