Qingdao Wangbaoqiang Industry Co.,Ltd is one of the famous electric driver screw pile driver manufacturers and suppliers,Website:http://www.qdwangbq.com, welcome to buy or wholesale customized, cheap and high-quality electric driver screw pile driver from our factory.Detailed information?The single counter torque device for mini-type ground ScrewTechnical Parameters?�Rated Torque (Nm)Rotation Speed(r/min)Rated VoltageRated CurrentSquare Head SizeHost Machine Net Weight(kg)Maximal Ground Screw15008220V/60Hz4A25?2510?68?1000