Oil Casing/ petroleum well casing with threader and coupling
API SPEC 5CT
API STD 5B
Grades: J55,4.
OD: 5-1/2"
WT.0.304"
12-12.3m, R3
End type: Threader and Coupling, STC,
SZT…
Specifications:
Universal Coupling
1) All the couplings are assembled by " D " bolts .
2) Bolts ,Nuts and Washers are in carbon steel Grade 4
Universal coupling
The Universal Coupli…
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea