-
API tricone drilling IADC216 7 5/8 pulgada (194mm) para sa oil rig
-
Rotary dill bit IADC216 7 7/8 pulgada (200mm)
-
Rotary bits supplier IADC216 10 5/8 pulgada (269mm)
-
Pagpalit ug drilling bits IADC216 17.5″ (444.5mm)
-
Tulo ka cone bits pabrika IADC217 3 7/8 pulgada (98mm)
-
Tricone bits IADC217 4.5 ka pulgada (114mm) alang sa lawom nga rock well drilling
-
API sealed roller cone bit alang sa drilling IADC217 5 7/8 pulgada (149.2mm)
-
Rotary drilling bits IADC217 6 pulgada (152mm)
-
API milled nga ngipon tulo ka cone bits IADC217 7.5 pulgada (190mm) sa stock
-
API oil steel tooth bits IADC217 8.5 ka pulgada (215mm) alang sa rock drilling
-
API bits supplier IADC217 8 3/4 pulgada (222.2mm)
-
Deep well drilling bits IADC217 11 5/8 pulgada (295.3mm) para sa gahi nga bato