... 3kw constant power spindle 3.stone,marble,granite,limestone,glass 4.stepper SD-1224 stone cnc routerApplicable industriesAdvertising industry ... marble, sandstone, glass type, copper, iron, plastic, stone sculpture processing, category carved glass-cutting and engraving melting ... materialTechnical Parameter Model SD-1224 stone cnc routerX Y working area 1200X2400mmMachine size ...