| 摘要 |
The rivet shaver driver element of the present invention includes an internally threaded hollow cylindrical body. At one end of the hollow cylindrical body is located a drive slot. Along the length of the driver element are spindle locking slots. Wrench flats are formed on the sides of the drive element. The placement of the drive slot spindle locking slots and wrench flats as such that the driver element is dynamically symmetrical. |
