Cheap And Discounts 8mm linear shaft 100 150 200 250 300 350 400 500 600 mm Chromed Hardened Rod Linear Motion Shaft cnc parts 3d printer parts Wholesale. Buy Directly From Merchant RDC Official Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.