Blessed with a team of dexterous professionals, our organization counted as leading Manufacturer & Supplier of High Precision Die Sinking EDM SFX-4000B in Luoyang, Henan, China. This model is your best choice for solving broken taps or bolts sized from M2 to M48, especially for large size broken taps or broken bolts, it has absolute advantages. SFX-4000B can fast remove broken taps, drill, drift, screw, plug gauge, etc., without damaging to the work piece, easily process on work pieces at any size, especially effective for large machine tools. The integral construction of this machine left a space for storage at the bottom of the power box which is convenient for managing the attachments. With a high efficiency in processing, it could remove broken tap, screw and is especially good at processing mark.