12″ CNC-Ready XY Base w/ Ball Screws

4 week lead time

  • *Preferred unit of measurement for laser engraved portions
    Please note that our ball screws only come in a metric pitch
  • *Will you be using Sherline’s CNC driver box?
SKU: 685401 Category:

Purpose of the Sherline Mill XY Bases

If you already own a vertical milling column for use with your lathe, but feel a sturdier base with a larger work area would be to your advantage, you may purchase the base of any of our vertical mills as an XY base. This combination saves you the amount of money included in the cost of the vertical mill for the column but gives you the same machine less headstock and motor/speed control. XY bases have also found their way into the industrial market and are used in various manufacturing setups.

Standard equipment for the XY base:

  • 12″ Mill Base
  • 13″ Mill Table
  • Electroless nickel/Teflon coated mill saddle
  • Stepper-motor mounts with high-torque couplings
  • The handwheels are included and can be mounted to the end of the stepper motors to maintain manual control when needed. 2″ (51mm) adjustable “zero” handwheels on the X- and Y-axes. Each handwheel has laser engraved aluminum handwheel collars
  • Oil reservoir on the X/Y axes to help keep critical parts lubricated.
  • Brass leadscrew cover that keeps chips off the rear of the Y-axis leadscrew
  • Accordion way cover
  • Travel: X=8.65″ (220 mm), Y=5.0″ (127 mm)

This 12″ XY base is the same base used in our 5400-series mill but has been modified for use with ball screws.

If you are going to be using this XY base with your existing Z-Axis you will need to modify your column base. Instructions for how to do so are below.

Regarding the Hole Modification through the Mill Column Base

In order to allow clearance for the brass cover tube to go through the column base, you must drill a ½” hole through your column base. On page 5 of the instructions for the ball screw retrofits, there are copies of the prints for both the standard column base and the rigid column bases.

If you would like us to do the machining, the cost will be $60.00 plus your return shipping. Please contact us for more information on how to start the return process.

You can also purchase a new column base with the 1/2″ already drilled. The base for our 5000/5400 series mills is part number 50050.

Please note that milling columns made before 1995 will need to be modified in order to work with this XY base. Your older vertical milling column can be returned to the factory to be re-machined and used with an XY base rather than purchasing the entire vertical milling machine. Contact us for more information. Vertical milling columns made after 1995 do not need to be modified.

*NOTE: CNC-ready machines cannot be operated manually until stepper motors are installed.

The improper use of machine tools and their accessories can result in serious injury. Before using this tool, thoroughly read the instructions and make sure you understand its proper and safe use.


Always wear safety glasses when operating machine tools.

Download PDF 5200 Instructions

Instructions PDF Download

Travel, “X” Axis 7.8” (198.1mm)
Travel, “Y” Axis 5.00″ (127mm)
Width Overall 15.375″ (340 mm)
Depth Overall Base footprint: 14.375″ (365 mm); With fully extended brass leadscrew cover: 17.25 (438 mm)
Table size 2.75″ x 13.00″ (70 x 330 mm)
Hold-down provision 2 T-Slots
Shipping Weight 45 lb. (20.45 kg)

We do not charge a flat rate for shipping because of the variations in weight for our products. Instead, we charge you what the shipping company charges us. Our website uses a shipping calculator based on the daily rates for USPS and UPS based on the weight and destination of the shipment. You can also have us use your UPS/FedEx account number to charge your shipping. Just enter it in the appropriate box on the checkout page.

Domestic orders are shipped Monday – Friday. Expedited orders must be placed by 9 am PST to ship the same day.

Orders shipping ground have a processing time of 7 working days for domestic orders and 14 working days for international orders. CLICK HERE for more information on our shipping and order policies.


Most merchandise can be returned within 30 days of the purchase date. A refund will be issued to the original form of payment at the original selling price. View our complete return policy and/or start your return online here.


For optimal performance, we recommend using the High-Torque Stepper Motors with our Ball Screws.