BT30 Taper 724 Spindle 1.5KW Power Head CNC Mechanical Spindle Milling Drilling
3000rpm for drilling : Deep groove ball bearing. 6000rpm for drilling : 6007 1, 7007 2, 6006 2. 8000rpm for drilling : High speed deep groove bearing. Axle head size: Dia 25mm 50mm long.