ITEM NAME:Titanium Coated HSS Countersink Deburring Drill Bit For Metal Steel Plasti NVX.4 x Countersink and Deburring Tool. - Countersink and Debarring Tool Set. - This is hands down, the best countersink I have never used. Material: High speed steel 4241(Titanium). We'd like to settle any problem in a friendly manner.
