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API 5CT Premium Thread Nu EU Thread Btc/Ltc/Stc Casing & Tubing Coupling for Oil Well Drilling
US$20.00
10 Pieces
Product profile
Customization
AvailableAfter-sales Service
24 Hours Online ServiceWarranty
1 YearModel NO.
oil couplingManufacturing Process
CastingSurface Treatment
PolishingOperation Pressure
Atmospheric PressureMaterial
Cast SteelModel Number
Tubing and Casing CouplingConnection
FemaleHead Code
CircularApplication
PetroleumGrade
J55 / K55 / N80 / L80 / P110Technics
CastingCertificate
API 5CTTransport Package
Customized Wooden PackageSpecification
API standard sizeTrademark
eastlongOrigin
ChinaProduction Capacity
100000/YearKey features
API 5CT Certified: Meets API 5CT standards for J55, K55, N80, L80, P110 grades with CNPC inspection.
High Precision Threads: Processed by CNC lathes and import cutters for perfect interchangeability.
Comprehensive Testing: Full thread testing including tape, pitch, tooth depth, and profile analysis.
24/7 Online Support: Dedicated after-sales service team available 24 hours a day.
1 Year Warranty: Covers mechanical defects for one year from the date of purchase.
Multiple Connection Types: Available in STC, LTC, and BTC configurations for various drilling needs.
Fast Lead Time: Production completed within 15 working days for both peak and off-peak seasons.
Global Shipping Options: Flexible Incoterms including FOB, CFR, CIF, and DDP from major Chinese ports.
Company profile

Hongkong Eastlong Technology Co., LimitedGuangdong, China
Business Type: Manufacturer/FactoryExport Year: 2010-04-01Nearest Port: Shenzhen/Tianjing/Shanghai/HongkongAverage Response Time: ≤4.75hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP
About Our Factory & Business Background
AddressRoom 608 Building A17, Cuigang 4th Industrial Park, Fuyoung Street Baoan, Shenzhen, Guangdong, China
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Main ProductsTubing Coupling, Casing Coupling, Pup Joints, Crossovers, Centralizer, Carbon Steel Pipe, API 5L Pipe, Oil Drill Pipe, Oilfield Drilling Rig, Oil Country Tubular Goods
Our Industry Experience & Global Business Record
Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Product Q&A
Q:What materials are used for the couplings?
A:
We use high-grade cast steel including J55, K55, N80, N80-1, N80-Q, L80, and P110.
Q:What thread types are available?
A:
The couplings come in three types: STC (Short Thread Coupling), LTC (Long Thread Coupling), and BTC (Buttress Thread Coupling).
Q:How is the thread processing quality ensured?
A:
We use numerically controlled lathes and import molding cutters to finish processing in one step, ensuring high precision and interchangeability.
Q:What certifications does the product have?
A:
The products are API 5CT certified and have passed identification by the Quality Testing and Inspection Centre of Oil Pipe of CNPC.
Q:What is the warranty period?
A:
We provide a 1-year warranty for all our products.
Send Inquiry
*To:
Hongkong Eastlong Technology Co., Limited
Hongkong Eastlong Technology Co., Limited*Content:
Supplier replies will be sent to your registered email
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