Quick change cam chucks for nut taps with flats from 2,24 to 40 mm dia. Design and dimensions
STANDARD published on 1.7.1977
Designation standards: GOST 21827-76
Publication date standards: 1.7.1977
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 5.82