60° left hand centre drills. Form R. Basic dimensions
STANDARD published on 1.9.1979
Designation standards: STN 221117
Classification mark: 221117
Catalog number: 54409
Publication date standards: 1.9.1979
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: Slovak technical standard
Category: Technical standards STN