gania13:
Well, i just measured the holding torque
It's about 362g per 10cm, which is 3.62 kgm
No, that's wrong, torque is the product of force and distance, not the ratio.
362gf at 0.1m is 36.2 gfm, or in modern units 0.354 Nm (gf = gram-force, to distinquish from grams)