Dextube ndi hayidiroliki machubu ndi machubu zipangizo mu osiyanasiyana mabuku a steels dzimbiri zosagwira zosapanga ndi kasakaniza wazitsulo faifi tambala kuphimba diameters kunja kwa (od) 3.175 kuti 50,8 mm (1/8 "2"). zamitundu yonse ndi aziwapatsa pamalo yosalala ndi pafupi ooneka enieni tolerances kuchepetsa chiopsezo Mukundontha pamene polumikiza machubu ndi couplings.
