Are there any belts on the X-Carve Pro? January 28, 2022 20:29 Updated Follow The X-Carve Pro uses 9mm closed loop belts to turn the ball screws on each axis. Related articles Is X-Carve Pro configurable/can I add my own upgrades? Can I attach a laser? How is the spindle cooled? Is there an expander kit to turn my X-Carve to an X-Carve Pro? What is the maximum size material that can be carved (length, width, thickness)?