I've just finished my small router, it uses 1mm pitch thread lead screws and anti backlash nuts. At the moment the motors are set at 2000 steps, 200 steps per rev, micro stepping x 10 so we should have 2000 steps per mm travel, correct? Trouble is even though both X and Y axis run the same motors and srews there seams to be a small amount of difference in distance traveled. Is it ok to set sets different for each axis or should I look else where? So more steps = less distance covered, correct?