The Countersink is a 1/2", six flute, 90 degree, high speed steel countersink/deburring tool for general purpose work in confined areas. The Countersink can be used to deburr or chamfer with the Right Angle Drill Attachment, and/or Extensions. The length of the tool is 5/8", excluding the 1/4-28 UNF-2A external threads. It is black oxided to prevent corrosion while enhancing appearance. |