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It is not. A know at least 2 different threads . But in Russian most common is 22mm. Like Faber tanks for examplethat the tank threads are universal
Спасиба друг мои. Я ни знаию что ты гаварит па-русскиы. как Вы написал кажете правда мне. Пока!european and american are not the same. European used 22mm and 25mm, american uses 7/8 inch and 3/4 inch. Thread pitch is different also. You will have a hard time finding european threads in america.
Frank
Европеец и американец не то же самое. Европеец использовал 22mm и 25mm, американец использует 7/8 дюйм и 3/4 дюйм. Подача нити отлична также. Вы будете иметь трудное время, находящее европейские нити в Америке.
Франк