XG-1200W portable edm drill machine for moving broken screw

Features:

Adopt imported linear bearing guide to work with stability and accuracy.
Remove tap, pin, bolt, rivet, etc without damaging the hole. 
Use ordinary tap water as dielectric fluid.     
Use any copper / brass pipe or rod as an electrode.      
Adopt magnet chuck to work easily even on a large workpiece. 
Auto feed, depth setting (stop at a specific depth), selectable arcing timer, auto retrace, work-head swivel alarm message: depth arrival, arcing, over-temp.
Light, small, portable, compact design.
High speed, high efficience, low cost and simple operate.

Specification