For free to contact Elaine: elaineliu318@yahoo.com.cn Y26 ROCK DRILL The rock drill is a kind of high efficiency air leg rock drill machinery. It is mainly used for diging into mine laneway and blasting holes in all drilling works. It is indispensably importance machine tool in metallurgy, coal, railway, traffic, water conservancy construction and national defence stone project. It is suitable for drilling and blasting under various of rocks at any direction angles. Blast hole dia is 34-42mm,drill hole depth is 5 m .This machine has transparent surface of FY200B oil reservoir, easy to observe the oil lever, adjust oil quantity, ensure the well lubricated. Specification Weight: 26kg Length: 650mm Cylinder dia: 65mm Piston stroke: 70mm Air pressure: 0.4-0.63MPa Impact energy ¡Ã30J Impact frequencey ¡Ã23HZ Air consumption ¡Ã47L/s Drill Speed: ¡Ã200 r/min Water pressure(Work): 0.3-0.35 Mpa Air innder dia: 19mm Water inner dia: 13mm Shank Size: 22*108 mm