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Hole making process - Coggle Diagram

- - - - main feature of this drills
        
        Lip relief angle
        
        Chiseledge angle
        
        point angle
        
        Helix angle
- - - - the workpiece is mounted on a table that can move horizontally in both the axial and radial directions
    - - is similar to a lathe, has a vertical axis of workpiece rotation
- - - - for tapping blind holes to their full depth
    - - used in large-diameter holes
    - - designed to reduce the torque required for the tapping of through holes
    - - Lathe
      - Automatic screw machine
      - Drilling machine
      - Vertical CNC milling machine