




Buttress Thread Coupling
- Product Specs:
1. With the API standard coupling length and the same OD, the reducing coupling with different thread in two ends, Such as 2 3/8 EUE to 2 3/8 NUE,2 7/8 EUE to 2 7/8 NUE,5 1/2 LTC to 5 1/2 STC,5 1/2 LTC to 5 1/2 BTC and other size.
2. With the different size and thread in the two ends, such as 2 3/8EUE to 2 7/8 EUE, The OD according to the bigger size on this occasion. The reducing coupling can be produced available on customer request.
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