According to different functions, Fried Dough Twists drills can be divided into three parts:
发布时间:2024-10-25
1. The part of the drill bit used for clamping and transmitting the power required for drilling (torque and axial force).
2. The drill neck is located at the transition between the blade body and the drill shank. Usually used as an empty tool slot for grinding wheel retraction.
3. The working part of the drill bit. It consists of a cutting part (i.e. drill tip) and a guiding part.