Ibikoresho byo gucukura intoki yibanze gucukura reaming shell

Ibisobanuro bigufi:

Aho bakomoka: Ubushinwa
Izina ryikirango: JCDRILL
Umubare w'icyitegererezo: NMLC HMCL AWG BWG NWG NWM
Ubwoko: Multi-Rings Reamer
Ibikoresho: ibyuma
Koresha: ubushakashatsi bwibanze
Izina: Gusubiramo igikonoshwa