Request Information
3/8" and 1/4" standard pipe threads to adapt to pumps and other appliances.
While Supplies Last
Unit of Measure

Thread Size

 N/A 1/2 x 3/8 Inch

Qest Fittings

 N/A Important: Flare nuts for both 3/8" O.D. and 1/2" O.D. tubing have 1/2" standard pipe thread size fittings. Flare nuts for 5/8" O.D. tubing have 3/4" standard pipe threads and fit 3/4" thread size fittngs.