Compared with the common twist drill, the advantages of Ni Zhifu Ordinary Twist Drill Bit.
- The distribution of front angle is more reasonable;
- The force and torque are reduced;
- The chip dividing, chip breaking and chip removal are improved;
- Improved drill bit service life;
- The quality of drilling is improved;
For further information, please read this article: Cutting performances and Advantages of Ni Zhifu Ordinary Twist Drill Bit