To improve a portable power tool having tool holding bodies 12 and 72 detachably connectable to drive parts 16 and 50 in base bodies 14 and 52 through at least one locking member 18, 42 or 44, capable of fixing the locking members 18, 42 and 44 to the radial direction in an engaging position by a securing body 20, and capable of bringing the tool holding bodies 12 and 72 in a releasing position to the radial direction, prevent contamination of a drive unit in the portable power tool, reduce wear, and avoid failure at tool implementation.

The base body surrounds at least one part of the drive part in a locking position.