DD160:  for though holes up to 152mm diameter in concrete with 8-62mm and 162mm in masonary wet drilling in concrete with drillstand /up to 152 mm wet drilling in concrete hand-held/up to 62mm dry drilling in concrete hand-held/up to 162mm anchor holes drilling test cores though holes for plumbing installations though holes for heating installation though holes for electrical installations electrical socket cutting

DD200: penetration for ducts pipes and cables opening for ventilation stitch drilling for breaches holes or service entries core drilling in ceiling walls and floors without  hammering or vibration  

DD500:penetration up to 600 mm diameter in reinforced concrete and all types of stone . corner holes for wall-sawing application doors and window opening . penetration installations of pipes and cables , e.g. ventilations ducts large-diameter coring.manholes/foundations deep-holes coring application in lightly reinforced concrete e.g . atomic power stations / bridges

this developed machine which in controlled by remote control its helps make expansion joints for car park floors or ground floors in buildings in an accurate technical straight that couldn't done by any other machine or by the manual traditional way of preparing expansion joints

cutting large opening of all kinds of thick structural components technical demolition, cutting away foundations, chimneys, support etc.sawing heavily-reinforced concrete , thick masonry etc. cut the foundation columns  underwater applications , low noise sawing

breaches and opening for windows and doors etc. concrete demolition and remedial work.cutting of crane foundation .cutting depth of 73cm.