Cheap And Discounts Roughing End Mill HRC55 Tungsten Carbide 3 Flutes Milling Cutter for Metal Aluminum Cnc Machine Milling Tools 4mm to 20mm tool Wholesale. Buy Directly From Merchant CHANGYAO Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.