Dank den Daten von dir oben hatte ich das gefunden, also 10.8Ncm Haltemoment:
The Basic L82701 Stepper--

Slightly more than an inch deep, this model has two mounting holes on a roughly diamond-shaped flange. The diameter of the body is 2.28 inches. Its shaft diameter is 1/4 inch.

This motor has 48 steps per revolution. It only comes in a uni-polar version. The holding torque is 15 inch-ounces.
For 5V and 12V versions (specified by -P1 and -P2 suffixes), the winding resistances are 6.3 ohms and 36 ohms, respectively. The corresponding inductances are 7mH and 38mH.