Cheap And Discounts 16IR 1.5TR NK9030 16IR 2.0TR Threading Carbide Inserts 16ER 2.5TR 16ER 3.0TR NK9030 CNC Lathe Tools Stainless Steel Turning Tool Wholesale. Buy Directly From Merchant NDSK Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.