Specification :

tool joint, for API standard

1tool joint
2.Material: AISI 4137 premium alloy steel
3Upset style: EU, IEU or IU
Size: 2 3/ 8" ~ 6 5/ 8" drill p

Material: AISI 4137 premium alloy steel
Upset style: EU, IEU or IU
Application: 2 3/ 8" ~ 6 5/ 8" dill pipes

All connections are phosphatized, coated with lubricant and provided with thread protectors. All tool joints should be inspected at full length by fluorescence magnetic particle and ultrasonic method. Tool joints are for pipes from 2 3/ 8" to 6 5/ 8" , grade is E 75, G 105 and S 135; upset style is EU, IEU or IU.

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