Parallel shank twist drills. Medium series. Basic parameters
NORM herausgegeben am 1.5.1988
Designation standards: STN 221121
Classification mark: 221121
Catalog number: 54410
Publication date standards: 1.5.1988
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN