IADC127 12 1/4 Qaybaha Koonka ee Ilkaha ee la shiiday ee loogu talagalay Dhismaha Qalabka Dhagaxa HDD
Sharaxaadda Badeecada
Birta loo yaqaan 'Milled Tooth Tooth Roller Cone Bit' waxaa loogu talagalay oo keliya qodista dhagaxyada jilicsan ama dhagaxa dhoobada ah oo lagu daray halabuurka dhegdheg leh, bits-ka tricone-ka ee TCI (tungsten carbide inserts) ma qodi karaan qaabab aad u jilicsan sababtoo ah heerka gelitaanka gaabiska ah (ROP) iyo kubbad-yareynta.
Qaybaha koonka ee ilkaha lagu shiido waxaa inta badan loo isticmaalaa isgoyska HDD ee dhagaxa dhoobada ah iyo kuwa adag ee dib-u-hagaajiyaha foosto uusan dhex mari karin iyo dib-u-hagaajiyaha dhagaxa TCI si fudud ayuu u noqon karaa mid yar.

Qeexitaanka Badeecada
Qeexidda Qaybaha Koonka Ilkaha ee la shiiday
| Cabbirka Koorta | 185mm (Dhismaha 12 1/4" tricone bit) |
| Nooca dhalista | Elastomer shaabadaysan oo dhalmo ah |
| Saliidaynta dufanka | La heli karo |
| Nidaamka Magdhawga Dufanka | La heli karo |
| Ilaalinta Cabbirka | La heli karo |
Halbeegyada Hawlgalka
Qaybta koonka ee ilkaha lagu shiiday waxaa loo isticmaalaa in lagu qodo qaabab jilicsan oo leh xoog cadaadis hooseeya iyo daloolin sare, sida dhagaxa dhoobada, gypsum, milix, limestione jilicsan, iwm.











