OMY Professional HSS Steel Large Step Cone Hex Shank Coated Metal Drill Bit Cut Tool Set Hole Cutter 4-12/20/32mm Wholesale OMY Professional HSS Steel Large Step Cone Hex Shank Coated Metal Drill Bit Cut Tool Set Hole Cutter 4-12/20/32mm Wholesale Price USD $ 4.12 Original USD $ 6.24 Discount 34% ORDER Share this:TwitterFacebook