Profile: Hava Rock Tools manufactures rock drills, pneumatic rock drills, rock drilling machine, pneumatic rock drilling machine, hydraulic rock drills, rock drills dry & rock drills wet. Our airline lubricator is designed to provide sufficient lubrication to ensure smooth working & prevents frictional wear on the piston. Our rock drill wet is used for horizontal or inclined dustless drilling in conjunction with a pusher leg such as in underground mines and tunnels.