Models View all Frame for XY Carriers 8 109 0 Lead Screw 500x8mm-2mm pitch 83 2987 6 Lead Screw Nut - Threaded with Flange - 8mm Diameter 2mm Pitch 74 3193 1 Coupler 5mm to 8mm 50 1597 3 Bolt 6M-1.0 x 50mm 3 268 0 8mm linear bearing with pillow block 29 1167 3