PROBLEM TO BE SOLVED: To provide means that is lightweight and readily and firmly fastens an attachment, such as a scattering protection sheet, to a main pipe of a bush cutter detachably.SOLUTION: An attachment fitting device for a bush cutter includes a semicircular cut out part formed into a pair of U-shaped clamps for attaching and detaching an attachment while obliquely crossing with a main pipe of a bush cutter, thereby tightly holding the main pipe.SELECTED DRAWING: Figure 3【課題】刈払機のメインパイプには飛散防護シートなどのアタッチメントを着脱自在に取着するが、軽量で簡単にしかも強固に固着する手段が求められていた。【解決手段】刈払機のメインパイプに斜交して、アタッチメントを着脱する一対のコ字型クランプに半円状切り欠き部を形成、これによりメインパイプを挟着した刈払機のアタッチメント取付装置。【選択図】図3