ZX Oil Tool ‘sClass T and Class SM coupling for sucker rods are manufactured as per API 11BZX Class T coupling is using AISI 5140 to manufacture.
AS for Class SM coupling, the spray metal is a specified hardening process which is used on the base metal The couplings are available in full size, slim hole and over size.
Full Size Coupling
|
Size(in)
|
Coupling O.D W(mm)
(+0.13,-0.25)
|
Length L(mm)
(+1.57,-0.00)
|
Thread D.(in)
|
Length of Wrench Square
(mm)
|
Hardness(HRA)
|
|
5/8"
|
38.10
|
101.6
|
15/16"
|
31.8
|
56-62
|
|
3/4"
|
41.28
|
1-1/16"
|
|
7/8"
|
46.00
|
1-3/16"
|
|
1"
|
55.60
|
1-3/8"
|
38.1
|
|
1-1/8"
|
60.33
|
114.3
|
1-9/16"
|
Slim Hole Coupling
|
Size(in)
|
Coupling O.D W(mm)
(+0.13,-0.25)
|
Length L(mm)
(+1.57,-0.00)
|
Thread D.(in)
|
Length of Wrench Square
(mm)
|
Hardness(HRA)
|
|
5/8"
|
31.75
|
101.6
|
15/16"
|
31.8
|
56-62
|
|
3/4"
|
38.10
|
1-1/16"
|
|
7/8"
|
41.30
|
1-3/16"
|
|
1"
|
50.80
|
1-3/8"
|
38.1
|
