... water cooling circulation system, spray nozzle, specially designed for stone, glass and soft metal processing. Easy operation, sturdy, ... soft metal materials, for example, acrylic, PVC, Foam board, stone, copper, aluminum, plastic plate, wood, glass etc.Main ... together )12m/minInstruction Resolution0.01mm (0.0004")Repeat Precision0.025Engraving toolsØ3.175, Ø 4, Ø6.00Rotational Speed of Spindle6000 - ...