Cheap And Discounts 3pcs Hss Step Drill Bit Set Cone Hole Cutter Taper Metric 4 - 12 / 20 / 32mm Titanium Coated Metal Hex Core Drill Reaming Bits Wholesale. Buy Directly From Merchant Shop910360274 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.