Cheap And Discounts NEMA 17 cnc stepper motor 42x40mm 1.7A 4-lead 0.42N.m Nema17 stepping motor 1.8deg 60Oz-in for 3D printer For CNC router machine Wholesale. Buy Directly From Merchant Suzhou Industry City. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.