Description: 1.The cost-effective choice for the broken tap or broken bolt sized M2-M30. This machine can fast remove the broken taps.drill,drift screw, plug gauge without damaging to the work-piece. 2.Processing non-precision holes and marking on metal materials such as hardened steel, hard alloy steel and copper. All the products we produced have passed the professional testing machine such as precise salt spray testing machine,comprehensive testing machine and high temperature endurance testing machine and drop test. Items: EDM-8C Input Voltage(V): AC220V/110V 50Hz Input Power (W): 800W Output Voltage (V): DC75-80V Electrode Diameter(mm): 0.8-10 Max Travel of Work head(mm): 70 Max Processing Speed (mm/min): 1mm/min Machine Size (L*W*H mm): 380*160*300 Work Head Size (L*W*H mm): DK8 300*50*50 Net Weight (Kg): 16 Certification: CE and ISO9001