JB/T 10971-201030° wedge locking threads (English PDF)

JB/T 10971-2010 is the English-translated version of 30°楔形防松螺纹.

Locking threads with a 30 degree wedge ramp are the subject of JB/T 10971-2010, a recommended standard of the Chinese machinery industry. For nominal diameters from 5 mm to 39 mm it specifies the tooth form of the thread, its dimensions, the tolerances that apply to it and the markings used to designate it. The document is written for locking threaded connections. Among the standards it quotes are GB/T 192, GB/T 196, GB/T 197, GB/T 3934 and GB/T 14791. It is filed at J04 in the Chinese classification and at 21.040.30 in the international one.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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