Broaches with diameter from 90 to 120 mm for slitting holes with involute profile with round tail and centring at outside diameter with modul from 2,5 mm. Construction
NORMA vydána dne 1.7.1990
Designation standards: GOST 28049-89
Publication date standards: 1.7.1990
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST