Store Z-Axis Ball Screw AssemblyStore/Parts/WD-1 Parts$170.00In stock Add More Add to BagGo to CheckoutShare this product with your friendsShareSharePin itZ-Axis Ball Screw AssemblyStore/Parts/WD-1 PartsProduct DetailsNew z-axis ball screw assembly for WD-1 and WD-2 with ball nut.Show More Already have a machine? Check out our trade-in deals here Front panel with built in USB compatibility.