Back Home / Pipe & Tube Fittings / Brass Fittings / STEEL TUBE NUT INVERTED FLARE 3/8″ STEEL TUBE NUT INVERTED FLARE 3/8″ SKU: X105X6 Categories: Brass Fittings, Pipe & Tube Fittings Manufactured from either CA360 or CA345 brass. Used with copper, brass, aluminum and steel hydraulic tubing. The seat on this style of fitting is inverted to resist mechanical pullout. The tube end will have an inverted cone on the inside. For use with 3/8″ o.d. tubing. Thread size is 5/8-18. Case Quantity: 10 Log In For Pricing