HSS Combined Countersink Metalworking Machine Hand Tools 5mm

Description: Application: center hole shaft and other parts of the end face machining. Cutting light good chip high hardness help protect the tissues are worn prolong life High strength tight adhesion between the substrate and the coating. Use: Prefabricated pinpoint hole machining twist drill hole machining reduce errors. The role of the central hole and the structure: Center hole is positioned based on the top surface of the workpiece shaft 60 with 60 top of the center hole compatible; small hole in the end to ensure the cone with the top cone with the apt and can store a small amount of oil. Specification: Material: HSS Size Chart: 5mm Diameter: Approx. 12mm/0.47inch Length: Approx. 64mm/2.52inch Package Includes: 1 Piece Type A Titanium