| Indawo Yomsuka: | China |
| I gama le-brand: | JCDRILL |
| Inombolo Yemodeli: | 146, 168, 178, 183, 194, 219, 245, 273, 325, 377 |
| Isitifiketi: | CE, ISO |
I-Concentric - Isistimu ye-Symmetric Casing iklanyelwe ngokukhethekile ukubhoboza nokufaka imbobo ngesikhathi esisodwa ngezimo ezingazinzile zomhlabathi.Ibhithi yomshayeli ehlanganiswe nendandatho eyanelisayo noma indandatho ephinde isetshenziswe yenza idizayini yekhanda eligcwele yobuso ethuthukisa kakhulu izinga lokungena kanye nokuqondisa kwembobo kokumba.Ama-grooves angaphakathi okuguquguqukayo kanye nezicathulo ze-casing ezakhelwe ngaphakathi zinikeza uphawu oluhle enkinobho yembobo yokubhoboza, futhi ngaleyo ndlela kuncishiswe ukuphazamiseka kokuzungezile kwembobo yokubhoboza.
| Inani elincane le-oda | N/A |
| Inani | |
| Imininingwane yokupakisha | Iphakheji Elijwayelekile Lokulethwa Kokuthunyelwa kwamanye amazwe |
| Isikhathi sokuthumela | 7 izinsuku |
| Imigomo Yokukhokha | T/T |
| Supply Amandla | Ngokusekelwe ku-oda elinemininingwane |
