Model Engines and Accessories for Hobbyist and Machinist
$4.50 – $6.00
Connect copper or brass tube to a male UST model pipe thread. Tube unions include both nut and cone. Cone must be soldered to tube.
(verified owner) – November 8, 2017
Great fittings. Same here…also looking for 5/16” tube x 1/8-27
(verified owner) – November 12, 2016
Very handy union.I would buy more if there were tube unions threaded 1/8″ NPT-27 TPI for 1/4″ and 5/16″ O.D tubing.
Over all, good fitting.
Not that bad
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