disclosed in u s application ser no 11 803 389 hereby incorporated by reference lower housing 222 sandwiches the expander 48 between lower inwardly formed section 228 of the liner 212 and housing 222 for the embodiment depicted in fig4 sleeve 230 may be externally threaded to internal threads on section 228 of the liner sleeve 230 is prevented from moving upward by engagement with shoulder 232 on mandrel 200 thereby rotating mandrel 200 with the lower housing 222 sleeve 230 thus acts as a positive stop to prevent upward movement of the expander 48 and the liner 212 prior to activation of the hydraulic power section of the tool as shown in fig4 the section 228 of the liner is radially inwardly formed to reduce the thickness of the sleeve 230 without increasing the thickness of the liner housing 222 is threaded to the lower end of mandrel 200 and to the upper end of bit housing 224 lower threads 220 on housing 224 are provided for conventionally receiving a bit or reamer 222 for drilling the hole in response to liner rotation tube 204 thus includes a central bore about axis 218 which supplies fluid to the bit 222 tube 204 remains sealed to the housing 224 during axial movement of the tube to conduct a tubular drilling or reaming operation the tool as shown in fig4 may be positioned within the liner 12 after the liner is run at least partially in the hole then.