Drill-America-DEWCSK-Series-HighSpeed-Steel-Center-Reamer-Countersink-3-Flute-12-Shank-Diameter-78-Size-82-Deg

Drill America DEWCSK Series 3 flute countersink is designed for countersinking holes for centers or for enlarge existing holes. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Round shanks allow use with a wide variety of toolholding systems. Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called "zero flute".