Q. Helical grooves are provided on a drill bit (Solved)
1. To provide long cutting edge
2. To guide the cutting top
3. To reduce the cost of the drill bit
4. To provide a passage for the coolant
5. To remove chips
- e. To remove chips
1. To provide long cutting edge
2. To guide the cutting top
3. To reduce the cost of the drill bit
4. To provide a passage for the coolant
5. To remove chips