Screw Conveyor 1, 168,219,273,323,407mm in diamater. 2, angle, ... , ball joint , inspection window.C) standard fitting parts, middle bearing, end bearing, splined shaft couplingD) Lifting eyes on each tube section, convinient ... /4000, JZC350/750, JZM350/750...... concrete mix plant spare parts ,Screw Conveyor