To bring the required adjustments into perspective....
If the radius of action of the Alt/Az bolts (the distance from the mount axis to the centreline of the bolt) is 50mm, then one min arc would represent a movement at the bolt of only 0.015mm.
Let's assume the pitch of the bolt thread is 1.5mm, then a rotation of the bolt of 0.015/1.5 * 360 = 3.6 degrees would make the correction of one arc min......
