1)Material: AISI 5140
2)Standard: API Spec 11B
3)Specification:
O.D.: 1-1/4"(31.80mm)
I.D.: 15/16"(23.81mm)
Length: 4"(101.6mm)
Weight: 0.41kg
4)Other Size: 3/4"; 7/8";1"; 1-1/8"
5Features: The Class T coupling is manufactured with a through hardness of between
16 and 23 Rc. This result in high tensile and fatigue strengh for the coupling. The
outside diameter is smooth to minimize stress concerntrations, and an accurate
chamfer allows for controlled contact stress.
16 and 23 Rc. This result in high tensile and fatigue strengh for the coupling. The
outside diameter is smooth to minimize stress concerntrations, and an accurate
chamfer allows for controlled contact stress.
SUCKER ROD COUPLING MODEL TYPES:
² Grade SM Coupling
² Grade T Coupling
² Sub Coupling
² Full Size Coupling
² Slim Hole Coupling
All Size: 5/8",3/4",7/8",1";, 1-1/8"
OUR NEW COUPLING PRODUCTS
Both-way Global Protection Sucker Rod Coupling
Full Size Spray Metal Coupling with Big Chamfer
If you are interest in any items,please let me know, I will do my best to satisfy you and our quotation will be forwarded without delay.

