KY-250D/L Blast Hole Drill rig 1.Tare Weight 108 2.Max.Drilling Diameter 220~227 3.Max.Drilling Depth 40 Tare Weight 108Max.Drilling Diameter 220~227Max.Drilling Depth 40for different stones and ores,such as: Iron Ore, Coal,Bauxite,Chromium,Gold Ore,Copper,Manganese,Uranium,Cobblestone,Marble Stone,Gyratory,Calcite,Clay, Dolomite KY-250D/L Blast Hole Drill rig-rotatry dill rig