7655 air hammer rock drill

7655 air-leg rock drill is rock drilling equipment with high efficiency. It is widely used in rock drilling. It’s very important to coal mine, railway traffic, water conservancy and so on. According to the different of space, it can be used with FY200B grease squirt and FT160A(or FT160B,FT160C) air leg,it also can be fixed on Drill carriage and drilling frame.   7655 hand held air leg rock drill 1.Weight:24kg 2.Outside Dimension:628*232*207mm 3.Cylinder Dia:76mm 4.Piston Stroke:55mm 5.Air pressure:0.4-0.63Mpa 6.Water pressure:0.3Mpa 7.Air consumption:54L/S 8.Impact frequency:37Hz 9.Air Pipe Inner Dia:25mm 10.Water Pipe Inner Dia:13mm                                       11.Hole Drilling Dia:34-42mm 12.Max Deepth:5m                                               13.Shank Size: H22*108mm