Doofor DF500X in a drilling machine made by SVK (India).

Doofor DF500X is a high-power and high-frequency rock drill for general excavations, dimensional stone quarrying, and other quarrying. The rock drill is equipped with a hexagonal female chuck for rod shank sizes of 108 mm [4 ¼”] * 22 mm or 25mm. The rock drill can be used with air flushing and number of rotation motor choices are available.