Cheap And Discounts Carbide Machine Reamer Spiral Flute Coated CNC Cutting Tools H7 Tolerance Precision Chucking Steel Metal 4 Flute 6 Flutes 1-20MM Wholesale. Buy Directly From Merchant South China FGEDCS Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.