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Picture	Titel	Update
	5/8"API Slim Hole Class SM sucker rod couplings for oilfield 1) Material: AISI 51402) Standard: API Spec 11B 3) Main specification: OD:1-1/4" (31.80mm)ID: 15/16"(23.81mm)Length: 4"
	API 5/8" sucker rod coupling 1)Type: FH SM coupling 2)New: Both-way Protection Globoidal Coupling Full size SM coupling with big chamfer 3)Material:
	sucker rod coupling with large chamfer 1)Type: FH SM coupling 2)New: Both-way Protection Globoidal Coupling Full size SM coupling with big chamfer 3)Material:
	sucker rod coupling 1)Type: FH SM coupling 2)New: Both-way Protection Globoidal Coupling Full size SM coupling with big chamfer 3)Material:
	5/8"API Slim Hole Class SM sucker rod couplings for oilfield 1) Material: AISI 51402) Standard: API Spec 11B 3) Main specification: OD:1-1/4" (31.80mm)ID: 15/16"(23.81mm)Length: 4"
	sucker rod coupling made by steel pipe coupling manufacturer Sucker rod couplings in details:1) Material: AISI 51402) Standard: API Spec 11B3) Main specification: OD:1-5/8" (41.30mm

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