Product Details

Specifications

Type: 7/8 inch sucker rod coupling
Material: carbon steel, stainless steel
Connection: Male, female
Head: thread

Specifications

API spec 22mm 7/8" Class T sucker rod coupling OEM High Precision Sucker Rod Coupling

1.Size: from 3/4" to 1" slim hole full size
2.Placement: female
3.Technics: hot rolling
4.Grade: T,SM

Detailed product description

Couplings produced by our factory include sucker rod coupling, sub-coupling, API 5CT tubing and casing coupling. Sucker rod coupling and sub-coupling are designed in accordance with API Spec 11B, the material is high quality alloy steel. Normally, there are 2 wrench flats on the outside diameter. Class T coupling hardness is HRA56-62 after heat treatment, possesing better anti-corrosion property and abrasion-proof property.

Sucker rod coupling is used for connecting the same size of sucker rods. Sub-coupling is used for connecting the two sizes of sucker rods or polished rod to a sucker rod string.

Technical Parameters

API spec 22mm 7/8" Class T sucker rod coupling OEM High Precision Sucker Rod Coupling

Size (in)	3/4	7/8	1
Coupling O.D (+0.13,-0.25) (mm)	41.3	46.0	55.6
Threaded D.(in)	1¹/16	1³/16	1³/8
Lengh of wrench square (mm)	31.8	31.8	38.1
Lengh (+1.57,0.00) (mm)	101.6
Hardness(HRA)	56-62