Name 

 Size  

Type of Thread

O.D*L(mm)

Weight(kg)

Load carring width(mm)

Standard reference

   high quality API 5ct 3 1/2 N80 steel nipple /couplings  

2-3/8"TBG

NU

73.02*107.95

1.28

4.76

API 5CT 5B

2-3/8"UPTBG

EU

77.80*123.82

1.55

3.97

API 5CT 5B

2-7/8"TBG

NU

88.90*130.18

2.34

4.76

API 5CT 5B

2-7/8"UPTBG

EU

93.17*133.35

2.4

5.56

API 5CT 5B

3-1/2"TBG

NU

107.95*142.88

3.71

4.76

API 5CT 5B

3-1/2"UPTBG

EU

114.30*146.05

4.1

6.35

API 5CT 5B

4"TBG

NU

120.65*146.05

4.35

4.76

API 5CT 5B

4"UPTBG

EU

127.00*152.40

4.82

6.35

API 5CT 5B

4-1/2"TBG

NU

132.08*155.58

4.89

4.76

API 5CT 5B

4-1/2"UPTBG

EU

141.30*158.75

6.05

6.35

API 5CT 5B

1. Material:J55,K55,N80-1,N80-Q,L80,C90,P110

2.We also supply permium thread products by customer's request

3.Size:tubing coupling from 1.9”"to 4-1/2"

4.Type:NU,EU

5.Surface treatment: whole phosphating, or inside phosphating and outside coating

6. Packing :by carton,wooden case ,wooden pallet or by customer requests