API tricone drill bits farashin IDC216 4 5/8 inci (118mm)
Bayanin samfur
4 5/8 "TCI tricone bit ana amfani dashi sosai a cikin hakowa rijiyar ruwa, bincike, rami na matukin jirgi HDD, tukin tushe, yana da ƙirar ramin jet na tsakiya, don haka yana iya aiki don juyawa hakowa.
An rufe abin da aka ɗaure, rayuwar aiki ta fi tsayi da yawa fiye da buɗaɗɗen abin nadi.
Irin wannan nau'in hakoran ƙarfe na tricone bit yana da rami na tsakiya wanda ya dace da RC hakowa (Reverse Circulation drilling).
IADC216 tricone bit na iya yin hakowa da ƙarfi fiye da IADC126, zabar IADC mai dacewa bisa ga taurin duwatsu shine matakin farko na hakowa mai inganci. Far Eastern Drilling masana'anta ce ta API bokan na tricone roller bit.
Ƙayyadaddun samfur
| Ƙididdigar asali | |
| Girman Rock Bit | 4 5/8" |
| mm 118 | |
| Nau'in Bit | Karfe hakori Tricone Bit/ Milled hakori Tricone Bit |
| Haɗin Zare | 2 7/8 API REG PIN |
| Lambar IDC | Farashin 216 |
| Nau'in Hali | Rubutun Rubutun Rubutun Jarida |
| Hatimin Hatimi | Rubber Seal |
| Kariyar diddige | Babu samuwa |
| Kariyar Shirttail | Akwai |
| Nau'in kewayawa | Zagawar Laka |
| Yanayin Hakowa | Rotary hakowa, high temp hakowa, zurfin hakowa, motor hakowa |
| Nozzles | Babban Jet Hole |
| Ma'aunin Aiki | |
| WOB (Nauyi Kan Bit) | 7,954-22,537 lbs |
| 35-100KN | |
| RPM(r/min) | 60-180 |
| Samuwar | Soft to matsakaici formations tare da high matsa lamba ƙarfi, kamar laka, gypsum, gishiri, m farar ƙasa, da dai sauransu. |
