A battery pack attachment arrangement comprising a tool having a housing
defining a hollow area and an opening into the hollow area. A first
support track is defined within the housing hollow area. The first
support track has a ramped surface extending between a first portion
adjacent a first axial keyway and having a thickness t1 and a second
portion spaced from the axial keyway and having a thickness t2 which is
thicker than the thickness t1. A battery pack includes a main body and a
stem portion extending from the main body. A first key extends radially
from the battery pack stem portion. The first key is configured to be
received axially through the first keyway and thereafter rotated along
the first support track from the first portion to the second portion such
that the first key supports the battery pack relative to the housing.