![]() |
Chevron Step Drag Bit Carbide Blade Drag Bit 2 3/8"~6 5/8" API reg pin2019-08-14 15:20:16 |
![]() |
3 1/2'' API REG 190mm 3 Aile Step Drag Bits per l'estrazione del carbone2020-12-15 11:45:25 |
![]() |
203mm Drag Drill Bit Three Wings API 3 1/2" Step Drag Bits per Ming Drilling2019-08-14 15:20:16 |
![]() |
76mm 89mm 114mm 3 4 Wing Step Drag Bits per la perforazione morbida2021-04-16 18:21:18 |
![]() |
SGS API REG Thread Carburo di Tungsteno Step Drag Bits con 3 4 ali2021-04-16 18:23:14 |