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sucker rod joint, sucker rod coupling, sucker rod, sucker rod connector, coupling, Manufacturer and Supplier - China(CN)
1-1/8 " FS API Class SM coupling (02)
Our coupling has the following advantages:
Anti-abrasion resistance, corrosion resistance, and reducing friction.
1-1/8 " FS API Class SM coupling
1-Type: SM FS coupling
New: Both-way Protection Globoidal Coupling
Full size SM coupling with big chamfer
2-Material: Carbon steel AISI 5I40
3-Spray Material£º Ni60A Alloy Coating
4-Basic Hardness: HRC 16-23
5-Surface Hardness: HRC 55-62
6-Hole rate: £¼2%
7-Min. Hardness of the layer: 595HV0.2
8-Standard: API Spec 11B
9-Coupling diameter: 1 -1/8"
10-Weight:1.29 KG/Pcs
11-Package: wooden cases
12-Payment Terms: T/T
