Cheap And Discounts Vearter 20mm HSS M2 Titanium Coated Countersink Drill Chamfer bit With 1/4'' Hex Shank For Stainless Steel Plate Iron Deburring Wholesale. Buy Directly From Merchant Vearter Tools Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.