W. L. Fuller 1/8 in. Taper Drill Type C Countersink is designed for countersinking and counterboring screw heads in woods, plastics, and non-ferrous materials. Crafted from heat-treated carbon steel, this countersink offers long-lasting durability and reliable performance. The Type “C” countersink is suitable for use with all woods, plastics, and non-ferrous metals, and it can be securely mounted on taper point, brad point, and regular point drills using two hex socket set screws fastened into the drill flutes. This versatile tool features a countersink diameter of 3/8 inch, a drill hole diameter of 1/8 inch, and an overall length of 7/8 inch, making it an essential addition to your woodworking and metalworking toolkit.Model Number: C5HTC