... types, tooth types of screw. 2 Power consumption is 60% of SAS series. 1,When you take the screw, you needn’t paying ... pulled out.2,Energy saving, power consumption is 60% of SAS series, comprehensive environmental design. 3,Have been improved, better performance ... Φ2.0 Φ2.3 Φ2.6 Φ3.0Φ4.0 Automatic screw Feeder