Screw Conveyor 1, 168,219,273,323,407mm in diamater. 2, angle, ball joint and inlet flange is optional ... 3,Siemens motor 1, 168,219,273,323,407mm in diamater. 2, angle, ball joint and inlet flange is optional ... /4000, JZC350/750, JZM350/750...... concrete mix plant spare parts ,Screw Conveyor