... screw with linear square guide 2.engraving length:1200mm 3.material diameter:200mm cylinder CNC engraving machine for wood Machine Features1. ... distortion. Applicable Materialsaluminum, iron, plastic, wood, plexiglass, natural granite,marble,bowlder,bluestone, double color board, PVC, ABS, etc. Applicable ... power spindle, multiple spindle, air cooling spindle cylinder CNC engraving machine for wood