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Twist drills with taper shanks for hard to machine materials. Middle series. Construction and dimensions
STANDARD published on 1.1.1977
Designation standards: GOST 20697-75
Publication date standards: 1.1.1977
SKU: NS-384844
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 12.82
1.1.1975
1.1.1975
1.1.1975
1.1.1975
1.1.1976
1.1.1976
Latest update: 2025-06-29 (Number of items: 2 206 177)
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