Y24 Rock Drilling Machine Introduction: Most suitable for drilling downward and inclined blast-holes in medium nard and hard rock with a hardness of f=8~18: An ideal tool for rock drilling operations in small open-pit quarries, mines, water conservancy projects and road building in hilly areas, etc, and for secondary blasting in large mines.The incorporation of FY200B Line Oiler with transparent casing provides automatic lubrication during operation during operation. Features: Grouped control mechanism, quick to start up with"air-on, water-on, air-off"mechanism, easy operation and maintenance. In addition to having the excellent performance of YT24, it has stronger flushing power.