Drilling Equipment Key Features ●Economic configuration and high level configuration available ●Bowl material can be choose from SS304 or 2205 duplex stainless steel casting ●Discharge ports on screw and bowl are protected by ceramic insert ●Screw can be strengthen by tungsten carbide or alloy/ceramic chip ●Equipped with genuine SFF bearing, pressurized EX proof control cabinet/VFD control cabinet for long lasting safe operation