Store Z-Ball Screw Assembly w/ Ball NutStore/Parts/HS-1 Parts$160.00In stock Add More Add to BagGo to CheckoutShare this product with your friendsShareSharePin itZ-Ball Screw Assembly w/ Ball NutStore/Parts/HS-1 PartsProduct DetailsReplacement ball screw for all HS-1 units.Show More Already have a machine? Check out our trade-in deals here Front panel with built in USB compatibility.