Gear driven system Continuous speed range, use frequency inverter change speed by potentiometer Digital readout of speed Automatic feed and tapping (Electromagnetic clutch), relize auto feed and tapping by putting any button on the feed handle Digital readout of drill depth for model Z5050VF & Z5040VF CE or CSA or UL approved main electrical components Safety drill-guard with micro-switch Both motor driven and manual lifting system of worktable for model Z5050VF & Z5040VF Worktable can be tilted +45° And rotated +180° Along the column Overload and shortcut protection With coolant system.
