The present invention enables continuous working including working inner
diameters with high efficiency. Working members 30, 40 are installed to be
able to be attached to and removed from a front end of the tool main body
10 configured with a grinding member 13 on a portion of the axial
direction. The working member 30 consists of a grinding reamer, the
installation of which enables hole processing followed by inner diameter
processing in one continuous operation. The working member 40 consists of
a rotating brush, the installation of which enables inner diameter
processing followed by inner surface brushing in one continuous operation.
