API Thread Adapters are engineered to deliver a secure, cost-effective solution for joining tubular strings with mismatched thread types or sizes. Configured with an API pin connection on the lower end and a quick-make-up box connection on the upper end, these adapters are specifically designed to streamline field operations and reduce rig time.

Built for low working pressure applications, our adapters provide dependable performance in well servicing, workover, and low-pressure production environments. The precision-machined API threads ensure consistent make-up torque and reliable sealing, while the quick-make-up box design allows for faster handling without compromising connection integrity.

Every adapter is manufactured to exacting standards, ensuring dimensional accuracy and full traceability. To meet diverse operational requirements, any combination of end connections—including API tubing, casing, and drill string threads—is available upon request.

Key Features

l Optimized Configuration: API pin on the lower end for standard compatibility; quick-make-up box on the upper end for faster handling.

l Application Specific: Designed specifically for low working pressure and non-critical sealing service.

l Field Proven: Robust construction minimizes downtime and simplifies string transitions in the field.

l Full Customization: Any end connection combination available (Pin × Box, Pin × Pin, Box × Box).

l Precision Machined: Manufactured to API 5CT / API 5B / API 7-2 standards for consistent quality.

l Material Versatility: Available in J55, K55, N80, L80, P110, 4145H, and other grades upon request.

Typical Applications

1. Well servicing and workover operations

2. Low-pressure production tubing strings

3. Water wells and injection wells

4. Temporary tie-ins and surface flowline transitions

5. Adapter strings between different OCTG connections

Technical Specifications