cnc engraving machine for wood new product Ncstudio controlle square rail low ... cards,building mould, surveyor's rod,small scale metal,woody mould,and relife engraving. Features: Whole cast aluminium structure,hard,durable, ... /50HZMax engraving speed6m/minFeed-in height100mmSpindle rotary speed24000rpm/minWork modestepping Cutter diameter¢3.175 , ¢4 , ¢6 MINI cnc engraving machine for wood and metal