About the product
- Highspeed steel tools are good for most general purpose applications offering a combination of hardness and toughness for wear resistance
- 6 flute chatterless countersink
- Round shanks allow use with a wide variety of toolholding systems
- Throughhole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging also called zero flute
- Designed to provide more metal removal then the 123 and 4 flute countersink