sucker rod coupling
Sucker Rod Coupling & Sub Couplings & Polished Rod Coupling
Standard: API Spec 11B
Size: 5/8", 3/4", 7/8", 1", 1-1/8"
Length: 4", 4.5"
Grade: T & SM
Sucker Rod Coupling
Standard: API Spec 11B
Classes: T &SM
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Name
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Size
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Grade
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Characters
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Sucker rod coupling
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5/8”, 3/4”, 7/8”,1”, 1-1/8”
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T, SM
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Couplings and slim hole couplings
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Sub coupling
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5/8”-3/4”, 3/4”-7/8”, 7/8”-1”, 1”-1-1/8”
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T, SM
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Connecting two sizes of sucker rod or connecting sucker rods and polished rods
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Polished rod coupling
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5/8”, 3/4”, 7/8”,1”, 1-1/8”
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T, SM
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9º degree cone
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Slim hole coupling
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5/8”, 3/4”,7/8”, 1”
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T, SM
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Slim hole sucker rod couplings, polished rod couplings and sub-couplings
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