17 1/2
iadc cod 535
New Drilcos sealed bearing
PRODOTTI SCONTATI
Materiale per la Perforazione
6.
Iadc cod 211
New Drilcos open bearing
4 1/2″
Iadc cod 231
open bearing
New NRB
6″
Iadc cod 541
open bearing
New NRB
7 7/8″
Iadc cod 231
open bearing
New NRB