Most recent
DIN 867:1986
Basic rack tooth profiles for involute teeth of cylindrical gears for general engineering and heavy engineering
This standard specifies rules for preferred basic racks of cylindrical gears with involute teeth for general and heavy engineering. It predominantely applies to cylindrical gears according to DIN 3960 with modules m<(Index)n> = 1 mm up to 70 mm.
Deutsches Institut für Normung [din]