Quote Originally Posted by JAZZCNC View Post
measuring gaps won't help if it's multi start which often are. Best way is try to mark the screw and rotate 1 rev and measure distance. Chances are it will 5mm or 10mm pitch so easy to see which.

However if your still using mach3 then it's simple really just let mach work it out for you using Set steps per in the settings tab.
Bang on my mate! 5mm I took a chance and it was bob on!


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