Purchase Qty. Reference FOB Price
1-99 Pieces US$2.00
100-299 Pieces US$1.90
300+ Pieces US$1.80
Product Description
API 11b Class T Sm Fs Sh Sucker Rod Coupling Product Description Class T and Class SM coupling for sucker rods are manufactured as per API Specification 11B. For the thread cutting, we are using cold form rolled by displacing rather than by removing of material for making the coupling thread. ...