CNC Milling Machine, CNC Machine Tool, CNC Lathe manufacturer / supplier in China, offering Adjustable Speed Magnetic Drill for Drilling Holes up to 78mm in Diameter 7800e, Magnetic Drill with High Drilling Efficiency and Precision and Easy Operation 9800e, The Maximum Drilling Diameter of The Speed-Controlled Magnetic Drill Can Reach 68mm 6800e and so on.