Gromax sd-20 drill edm with sony dro and depth control

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Subject: Gromax sd-20 drill edm with sony dro and depth control
SD-20 GROMAX 50A Super Drill Electrical Discharge Machine with 2-axis SONY DRO + Auto Depth Control (machine will drill to the specified depth (mm) and automatically retract above the workpiece. Just hit "start" to finish one hole). Use water as working fluid. Single spindle speed and spindle travel is about 12.6". It's good to drill from 0.3mm to 6mm. 3.1mm-6mm will be slower because electrode diameter is bigger.