Api 3/4"fhsm sucker rod coupling

Product Description

Our sucker rod couplings are up to API Spec 11B standard, including class SM coupling, class T coupling, Sub coupling, Full Size coupling, Slim Hole coupling, are availbale in size of 5/8”, 3/4”, 7/8”, 1” and 1 1/8” With over15000pcs monthly capacity.Manufactured with high quality Carbon steel AISI 5I40 /4135 . Our surface alloy thermal spray coating process of our Spray Metal Coupling has reached the international advanced level. API Coupling, class SM 1Material: AISI 5140 (40Cr), 2Standard: API Spec 11B 3Coat Thickeness: 0.01-0.02 in 4coupling diameter: 5/8 ", 3/4", 7/8", 1", 1-1/8" 5Basic Hardness: HRC 16-23 6Metal coating hardness: 595 HV0.2 OUR NEW SPECIAL PRODUCTS Both-way Globoidal Protection Sucker Rod Coupling Full Size Sprey Metal Coupling with Big Chamfer We're the special manufacturer, and the cost is much lower than some Inter-trade enterprise , but we can supply more excellent quality, to build a long-term business relationship with you.

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