Cheap And Discounts 1PCS UN/UNC/UNF/UNS/UNF Anglo American Round Die HSS 4-40 8-32 1/4 5/16 1/2 5/8 1/8 3/8 7/16 9/16 11/16 3/4 3/16 Thread Tools Wholesale. Buy Directly From Merchant CNC Cutting Tools Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.