... of loading bays, farms, vegetable shed, rain booming, awning and sights and raising antique buildings board, removable houses, balcony column board, ... Schneider/Omron4. Adopt Gravity Feeding System 5. Material of screw and barrel: 38CrMoAlA, nitrogen quenched which the thickness layer 0.4-0 ... .7mm; Hardness of screw barrel: >940 HV;6. Unique grooved structure feed bush with ...