-
ʻO nā ʻāpana drill tungsten carbide kiʻekiʻe IADC537 5 7/8″ (149mm)
-
Nā ʻāpana pōhaku Tricone IADC537 6 ʻīniha (152.4 mm)
-
Rotary tricone bit IADC537 6 1/4 iniha (159 mm)
-
Nā ʻāpana pōhaku tricone TCI IADC537 6 3/4″ (171mm)
-
Piko API bit IADC537 6.5 iniha (165mm) me ka uku hoemi
-
ʻĀpana pōhaku TCI IADC537 7 1/2 ” (190 mm)
-
API no ka hale hana tricone bit IADC537 7 5/8 ” (193.7 mm)
-
TCI tricone bit IADC537 7 7/8 iniha (200 mm)
-
Bit hoʻokomo ʻia ʻo Tungsten Carbide IADC537 8 1/2″(215.9mm)
-
Piko API pōhaku drill bit IADC537 8 3/4″(222.2mm) me ke kumu kūʻai hoemi
-
TCI drill bit IADC537 9 1/2″(241mm) no ka ʻaila ʻaila pōhaku paʻa
-
API wili luawai pōhaku IADC537 10 5/8 iniha (269mm)