Cheap And Discounts 3mm Shank CNC Meatl Wood Aluminum Milling Tungsten Carbide Rotary Burr Single Cut Rotary Tools Diamond Grinding 6mm Tip HRC70 Wholesale. Buy Directly From Merchant aToolTour Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.