Fit for wet drilling in medium-hard or hard rock. Grouped control mechanism,quick to start up, with "air on ,water on, airAir-leg rock drills.Fit for wet drilling in medium-hard or hard rock. .Grouped control mechanism,quick to start up, with "air on ,water on, air off,water off" mechanism,convenient to handle and easy to maintain and repair. .Energy-saving and efficient, long service life of parts, parts highly interchangeable and reliable performance. .YT28 differs form similar products particularly in its high efficiency, strong flushing and powerful torque.
