Waterun-800D Automatic screw feeder with screw counter MachineShape of Thread: M Srew Screw material:With iron Material. Waterun-800D Automatic screw feeder with screw counter Machine Specifications:→ DC power supply: AC220V, DC12V 500MA, AC Adapter→ Applicable screw length (under head): up to 20mm→ Rail adjustment range: M1.0 – M5.0→ Speed of picking up: 1.5 second/pcsFeatures:→ Screw counting ...