Q. Spiral flutes are provided on drill bits to (Solved)
1. Help from the cutting edge of the drill point
2. Curl the chip tightly for easier removal
3. Provide passage for coolant supply
4. All of the above
5. None of the above
- d. All of the above
1. Help from the cutting edge of the drill point
2. Curl the chip tightly for easier removal
3. Provide passage for coolant supply
4. All of the above
5. None of the above