Countersinks and counterbores. Parallel shank countersinks for 60, 90 and 120 degrees angles. Basic dimensions
STANDARD published on 11.8.1978
Designation standards: ČSN 221627
Classification mark: 221627
Catalog number: 1245
Publication date standards: 11.8.1978
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN