Air Flushed Medium/ Heavy Duty Rock Drill is ideal for general excavation work, quarry drilling, bench drilling, secondary drilling and other jobs requiring a sinker of its class. The Rock Drill is capable of drilling 27-40 diameter holes with H22 integral/ extension steels up to a depth of 6 meter. The Rock Drill can be custom made in various shapes and sizes as per specific requirements. Air Flushed Medium/ Heavy Duty Rock Drill is sturdy in construction and delivers excellent performance.