A cutting apparatus is provided.The cutting apparatus comprises a first cutting tube and a second cutting tube.The first cutting tube has a first cutting end, a protrusion and a receiving space.The protrusion is disposed surrounding the first cutting end wherein the protrusion has a bearing surface disposed adjacent to the first cutting end.The first cutting end has a first opening and a first cutting structure surrounding the first opening.The second cutting tube has a second cutting end and a transport passage wherein the second cutting end has a second opening and a second cutting structure surrounding the second opening.The second cutting tube is received in the receiving space so that the second cutting structure and the second opening exposed from the first opening.本創作提供一種切削器具,包含一第一切削管體及一第二切削管體。該第一切削管體具有一第一切削端部、一凸出部及一容置空間,該凸出部係環設於該第一切削端部,且該凸出部具有一承靠面鄰設於該第一切削端部,該第一切削端部具有一第一切削結構及一第一開口,該第一切削結構係環繞該第一開口。該第二切削管體具有一第二切削端部及一輸送通道,該第二切削端部具有一第二切削結構及一第二開口,該第二切削結構係環繞該第二開口,該第二切削管體係容置於該容置空間中,使得該第二切削結構及該第二開口自該第一開口露出。3‧‧‧切削器具31‧‧‧第一切削管體312‧‧‧凸出部312a‧‧‧承靠面314‧‧‧第一連接端部4‧‧‧真空吸引致動裝置41‧‧‧把手部
