Cheap And Discounts CNC 3018 Pro SCV10VUU Bearing 12mm 10mm for CNC3018 T8 Screw Lead 4mm Diameter 12mm for CNC Machine Xaxis Update Wholesale. Buy Directly From Merchant K&M 3C Digital Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.