API 5CT 7" & 9-5/8" Casing Tubing Coupling EUE/NUE for Oil Well Drilling - H40 to P110 Grades

Price Negotiable
Price: USD20-200/pc
MOQ: 50 pcs
Delivery Time: 20-30 days
Product Description
API 5CT Casing & Tubing Couplings for Oil Well Drilling
High-quality API 5CT certified casing and tubing couplings designed for reliable performance in oil well drilling operations. Available in EUE (External Upset End) and NUE (Non-Upset End) thread types with factory-direct pricing.
Casing Couplings
Essential accessories for connecting tubing and casing pipes in oilfield applications. Our comprehensive range includes sizes from 1.66" to 13-3/8" with multiple thread configurations and material grades.
Available Thread Types
  • NU (Non-Upset)
  • EU (External Upset)
  • STC (Short Thread Coupling)
  • BTC (Buttress Thread Coupling)
  • LTC (Long Thread Coupling)
Material Grades
H40, J55, K55, N80, L80, P110 and other API 5CT compliant grades
Casing Coupling Specifications
Description & Size Thread Type O.D.*L (mm) Weight (kg)
4-1/2"STC127.00*158.755.23
4-1/2"LTC127.00*177.804.15
4-1/2"BTC127.00*225.424.55
5"STC141.30*165.104.66
5"LTC141.30*196.855.75
5"BTC141.30*231.785.85
5-1/2"STC153.67*171.455.23
5-1/2"LTC153.67*203.206.42
5-1/2"BTC153.67*234.956.36
7"STC194.46*184.158.39
7"LTC194.46*228.6010.83
7"BTC194.46*254.0010.54
9-5/8"STC269.88*196.8518.03
9-5/8"LTC269.88*266.7025.45
9-5/8"BTC269.88*269.8823.16
API 5CT Casing Couplings for oil well drilling applications
Tubing Couplings
Precision-engineered tubing couplings manufactured to API 5CT/5B/5L standards, ensuring secure connections in demanding oilfield environments.
Tubing Coupling Specifications
Tubing Size (in) O.D. (in) Minimum Length (in) Weight (lbs)
2-3/82.8754-1/42.82
2-7/83.5005-1/85.15
3-1/24.2505-5/88.17
44.7505-3/49.58
4-1/25.2006-1/810.77
API 5CT Tubing Couplings for oilfield pipe connections Industrial oilfield coupling manufacturing and quality control Oilfield drilling equipment and coupling applications
Contact Information
Dongying OilMan Machinery Equipment Co.
North Two Road, Dongying City, Shandong Province, China
Mobile/WhatsApp/WeChat: +86 13475294399
Email: christal@oilmancn.com

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Dongying Oilman Machinery Equipment Co.,Ltd.
Location www.oilmanchina.com
Contact Person Christal

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