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12mm Bi Directional Ball Screw Left and Right Hand Ballscrew SFU1204 Length 21.65 inch / 550mm + 2 Ball Screw Nuts + Coupler/Coupling + BK/BF10 Bearing Support Block for CNC
12mm Bi Directional Ball Screw Left and Right Hand Ballscrew SFU1204 Length 21.65 inch / 550mm + 2 Ball Screw Nuts + Coupler/Coupling + BK/BF10 Bearing Support Block for CNC