Min. Order Reference FOB Price
1 Piece US$1.00-5.00 / Piece
Product Description
API 11B 7/8" SH SM sucker rod coupling Product Description Class T and Class SM coupling for sucker rods are manufactured as per API Specification 11B. Class T coupling use AISI 5140 to manufacture. Class SM coupling is applied on the base metal. The coupling is coated using phosphate ...