Stepper motor connection and ballscrew upgrade kit for SX2P mini mill CNC conversion.


- To be able mount the Z axis to the Sieg SX2P brand machines, the spindle motor must be moved to the front.

This product is not available in stock, it is being made after the pre order. You do not have to pay during pre order. When the package is ready for shipment, payment will be requested. You can cancel the pre order at any time until the shipment.

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- Excellent design compatible with SX2P model mini-mills.


- To assemble the kit, you do not need to make any changes on the machine.

Drilling; no.

Hole expansion; no.

Cutting; no.

Grinding; no.

- All axis equipped with radial and axial beraings. Which will not occurs backlash (gap) even in the case of very heavy and long working conditions. Compact design, does not require maintenance and lubrication.

- Precision stepper motor coupling design that does not damage the shaft of the stepper motor.

- Does not occur shortening in any axis movement.

- 12 mm diameter, 4 mm pitch screw shaft and ball nut, (SFU1204) C5 backlash (less than 0.01 mm).

- Ball bearing nut perfectly fixed without any gap against axial and radial vectors.

- Z axis is connected to the stepper motor with the 1:2 ratio timing pulley. (compatible with Nema 23 stepper motors). Strong static (not flexible), ergonomic mechanism. Easy to install, compact and robust design. Excellent connection with the spindle body.


- Is compatible with mbbbilici brand belt drive conversion kit.


- 100% satisfaction guarantee.


All bolts, which is needed for installation kit, and instruction of assembly are inside the package.


Stepper motor is not included.


NOTE: Do not forget to specify the diameter of the stepper motor shaft when ordering (6.35mm, 8mm, 9.5mm, 10mm). will be sent to the appropriate timing pulley and motor coupling hole.


COMPATIBILITY: It is possible to check whether your machine is compatible with this kit. Please examine pictures for it. Let me know if there are different dimensions. It is possible to manufacture the kit compatible with your machine.


DELIVERY TIME: Expedited delivery by DHL Express. Delivery within 3-5 business days to worldwide.

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Sieg SX2P mini mill CNC conversion kit

  • Product Code: SX2P
  • Availability: 1
  • $662.00

  • Ex Tax: $662.00