... 3.500mm rotary axis 4.Hiwin linear square guideway 5.DSP offline Stone CNC Engraving Machine ZK-9015 Application1. ... Suitable for natural marble, granite, bluestone, sandstone, artifical stone, tombstone, milestone, ceramic tile, jade, crystal, ceramics, glass, ... High precision rack transmission, fast speed.6. Imported linear square guide way, double row four row slider, high precision ...