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The PM-25MV CNC Mill is one of the most popular hobby mills out there. So we decided that it needed a conversion kit that would out perform the kits that are available today, By adding Double Ballnuts to our ball screws we have doubled the accuracy to the kits that are now available today. Because the Double Nut ball screw is more efficient. You are able to run at NEMA 34 motor on the Z -axis giving you more power that you need for the Z axis We also added sealed bearing on all the axis’s to make this the BEST PM-25MV KIT ON THE MARKET .  We have tested this kit in production use for over a year now with great results. We packaged ALL this at a very competitive price. You will not find a better kit on the market for the price.

Saddle modifications is NOT required.


● X/Y NEMA 23 Motor Mounts
● Z NEMA 34 Motor Mounts
● X/Y 3/8″ Stepper motor Shaft for Coupler
● Z 1/2″ Stepper motor  Shaft for Coupler
● X/Y/Z C7 Grade Double Ballnut Ball Screws
● .0015 to 0.005″ Accuracy / Backlash
● Sealed Bearings
● Bolt On
● 6061 Aircraft Aluminum Construction
● Stainless Steel Hardware

One Year warranty

Installation Procedure:

PM25MVinstruction (744 downloads)