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.