YT29A hand held 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 FT160A,FT160C long air leg, FT160B short air leg and FT170 air leg,it also can be fixed on Drill carriage and drilling frame. YT29A hand held air-leg rock drill 1.Weight:27 kg 2.All length:660mm 3.Cylinder Dia:82mm 4.Piston Stroke:60mm 5.Air consumption:65L/S 6.Drilling Frequency:37HZ 7.Air pipe inner Dia.:25mm 8.Water pipe inner Dia.:13mm 9.Drilling Hole Dia.:34-45mm 10.Drilling Depth:5m 11.Shank Size:22*108mm 12.Working pressure:0.4-0.63Mpa FY200B Grease Injector: 1.Weight:1kg 2.Oil capacity:200ml