Cheap And Discounts 1PCS 3/4/5/6/8/10/12mm*60 degree/90 degree/120 degree Aluminum processing Cemented carbide chamfer drill positioning centre bit Wholesale. Buy Directly From Merchant Shop4761024 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.