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Subs GOST 7360,GOST 23979-80, THE 3668-002078655520-214

The subs represent the nozzles, the upper and lower ends of which terminate in threads. Used as connecting elements of drill, casing, tubing strings having different diameters and thread types. Subs are available in various types:

Subs for drill strings


To interconnect the individual parts of the drill string and acceding to the tool used in the drilling of wells. The subs are manufactured in all sizes in accordance with GOST, with thread, the right and left direction cutting.


Adapters for pump and compressor pipes


To interconnect tubing of various diameters, as well as underground equipment having connecting ends of the threaded tubing used in the exploitation of oil and gas wells. The sizes of the subs for tubing with GOST 23979-80, and thread are made according to GOST 633-80


The subs for casing


To interconnect the elements of the casing having different diameters and threaded connections of various types according to GOST 632-80 (OTTM,OTTG, etc.)




It is possible to produce subs with combinations of different types of thread, diameters and lengths according to individual Customer requirements.

To expedite the processing of Your order do not forget to specify:
• the type of sub (data, socket, nipple);
• connection thread;
• outer diameter;
• diameter of through hole;
• overall length.