Min. Order Reference FOB Price
5 Pieces US$1.50-6.80 / Piece
Product Description
Oilfield Equipment Class T Sucker Rod Coupling Product Description The sucker rod coupling is designed according to API Spec 11B and is made of 40Cr, 30CrMo or AISI 4142. Metal spraying is a surface hardening process technology, which involves coating nickel, chromium, boron, and silicon-based ...