1.Electric drilling machine. 2.2420X400X300mm,257kg. 3.With 19 years experiences. 4.Drilling depth:20-25mm. XZ-100D electric drilling machine Applications: XZ-100D electric drilling machine is a new, efficient, semi-mechanized and advanced drilling equipment, which has been widely used in road and bridge projects, hydropower development, mining and underground construction industry, a large ...