-
API officina TCI triconis bl IADC617 5 5/8″ (142.9mm)
-
API gyratorius triconus bit IADC617 6« (152mm) pro bene exercendis
-
Tricone petra frenum IADC617 8 1/2″ (215.9mm) pro bene exercendis
-
API opifex triconis petrae IADC617 9 7/8 dig" (250mm)
-
API officina triconis cylindri IADC617 12 1/4 dig (311.1mm)
-
API officina petrae EXERCITATIO bits IADC617 17 1/2 pollices (444.5mm) in stock
-
TCI triconus frenum IADC617 6 1/2″ (165mm) ad artem rig