... 400mm, 500mm, 600mm and 800 diameter drilling head with max. drilling depth 26M Main specification for YTZ26 CFA ... Rotary Drilling rig,max. drilling depth 26M YTZ30YTZ26YTZ20Drilling diameter (mm)400, ... ,600,800400,500,600,800400,500,600,800Max. drilling depth (M)400-600mm 30M 800mm 25M400-600mm ... .413.3x3.1x3.8Gross weight including drilling tools (T)604535 CFA Rotary ...