
3/4 "SH API Class SM coupling
1-Type: SM SH coupling
New: Both-way Protection Globoidal Coupling
Full size SM coupling with big chamfer
2-Material: Carbon steel AISI 5I40
3-Spray Material: Ni...

3/4 " 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: N...

5/8 "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 or AISI 4135
3)Spra...

5/8 "SH API Class SM coupling
1)Type: SM SH coupling
New: Both-way Protection Globoidal Coupling
Full size SM coupling with big chamfer
2)Material: Carbon steel AISI 5I40 or AISI 4135
3)Spray...

7/8" FS API Class T coupling
A. Type: T
B. Material: Carbon steel AISI 5I40 or AISI 4135
C. Basic Hardness: HRC 16-23
D. Standard: API Spec 11B
E. Coupling diameter: 7/8"
F. Weight: 0.74 KG...

7/8"SH API Class T coupling
A. Type: T
B. Material: Carbon steel AISI 5I40 or AISI 4135
C. Basic Hardness: HRC 16-23
D. Standard: API Spec 11B
E. Coupling diameter: 7/8"
F. Weight: 0.52 KG/...

API Sub coupling 1)Type: T&SM including Full Size coupling , Slim Hole coupling and Both-way Protection Globoidal Sucker Rod Coupling 2)Material: Carbon steel AISI 5I40(40Cr) or AISI 4135(35CrMo) 3)Sp...

1)Type: SM Full Size and Slim Hole
2)Material: Carbon steel AISI 5I40
3)Spray Material:API Ni60A Alloy Coating(SM)
4)Basic Hardness: HRC 16-23
5)Surface Hardness: HRC 50-65
6)Hole rate: <2%
7)...

5/8"SH API Class T coupling
1)Type: T
2)Material: Carbon steel AISI 5I40 or AISI 4135
3)Basic Hardness: HRC 16-23
4)Standard: API Spec 11B
5)Coupling diameter: 5/8 "
6)Weight: 0.41 KG/Pcs
...

5/8"FS API Class T coupling
1)Type: T
2)Material: Carbon steel AISI 5I40 or AISI 4135
3)Basic Hardness: HRC 16-23
4)Standard: API Spec 11B
5)Coupling diameter: 5/8 "
6)Weight: 0.56 KG/Pcs
...