LIGHTHINKING 16mm 1604 Ball Screw Rolled ballscrew 1pcs SFU1604 L 400mm with 1pcs 1604 Flange Single ballnut for CNC Part Go to amazon.com Related posts 10 best rolled ball screw Description16mm 1604 Ball Screw Rolled ballscrew 1pcs SFU1604 L 400mm with 1pcs 1604 Flange single ballnut for CNC part