Cheap And Discounts 22ER N55 ZM1125 22IR N55 ZM1125 Carbide Insert Internal External Thread Threaded Insert Tool CNC Metal Lathe Turning Cutter Tool Wholesale. Buy Directly From Merchant ZIMI & CKCNC TOOL Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.