DIN 2201
DIN 2201 Machine tools; taper shank receptacle with positive drive for morse taper 3 to 6 and metric taper 80 to 200; dimensions
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1992
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1992