threading female sucker rod coupling:1.Product name:threading female sucker rod coupling2.Class:T3.Techinics:hot rolling4.Surface treatment:phosphating!!spec...
sucker rod coupling...
sucker rod Couplings1.Material: AISI 51402.Standard :API 11B3.Sizes:5/8",3/4",7/8",1",1-1/8"!!spec...
Sucker Rod Coupling:1)Material: seamless alloy steel AISI 51402) SM coupling coating material : Ni60A Alloy.3)Basic Hardness: HRC 16-23Detailed Info:1)Type: T sucker rod coupling, class SM sucker rod coupling, sub sucker rod coupling, full size sucker...
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