This may be required to allow the correct seating for a countersunk head screw or to provide the lead in for a second machining operation such as tapping The fluted countersink cutter is used to provide a heavy chamfer in the entrance to a drilled hole M35 Cobalt High Speed Steel offers increased wear and heat resistance in alloy steels, stainless steels and other abrasive or difficult materials
Use on light to medium materials. This increases tool life in all production applications. Single flute countersinks are ideal for countersinking and deburring in a wide range of materials including ferrous and non-ferrous metals.
