-
Nā ʻāpana wili API IADC537 5 5/8″ (142.9mm)
-
Nā ʻāpana wili tungsten carbide wikiwiki kiʻekiʻe IADC537 5 7/8″ (149mm)
-
Nā ʻāpana pōhaku Tricone IADC537 6 ʻīniha (152.4 mm)
-
ʻO ka ʻāpana tricone Rotary IADC537 6 1/4 ʻīniha (159 mm)
-
Nā ʻāpana pōhaku tricone TCI IADC537 6 3/4″ (171mm)
-
ʻĀpana pihi API IADC537 6.5 ʻīniha (165mm) me ke kumu kūʻai hoʻēmi
-
ʻO ka ʻāpana pōhaku TCI IADC537 7 1/2” (190 mm)
-
ʻO ka ʻāpana tricone hale hana API IADC537 7 5/8 ” (193.7 mm)
-
ʻO ka ʻāpana tricone TCI IADC537 7 7/8 ʻīniha (200 mm)
-
ʻO ka Tungsten Carbide Insert Bit IADC537 8 1/2″(215.9mm)
-
ʻO ka ʻūlū pōhaku pihi API IADC537 8 3/4″(222.2mm) me ke kumu kūʻai hoʻēmi
-
ʻO ka ʻūlili wili TCI IADC537 9 1/2″(241mm) no ka lua ʻaila pōhaku paʻakikī