Cheap And Discounts 17CS04A 17 Stepper Motor 0.42N.m 1.7A 2 Phase 40mm Stepper Motor 4-lead for 3D printer CNC Engraving Milling Machine Wholesale. Buy Directly From Merchant ChengMao Industrial Automation Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.