DIN 4000-81
DIN 4000-81
Tabular layouts of properties - Part 81: Drills and countersinking tools with non-indexable cutting edgesstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/2017
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/2017