Cheap And Discounts Internal thread turning tool SNR0020R22 SNR0025S22 Lathe Milling Cutter MMT 22IR Carbide Insert CNC Fixing Tool SNR 0020R22 Wholesale. Buy Directly From Merchant AK Tool House Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.