... , prolong service life of piston and drill steel Atlas copco original, Hydraulic Rock DrillApplicationIt is widely used in construction tasks, railway ... -R38 05151851002×240×22525 15 40~600~300 500R38 38~511.1 Deep hole drillingYYG150LE-R32E 07151851002×240×22525 15 42 ... .5 40~530~300 200R32 35~640.58 Atlas copco original, hydraulic rock drill