Thread Adapter – Male 3/8 X 24 Inverted To Female 9/16 X 18 Inverted For 1/4 Or 5/16 Line

This thread adapter is perfect for custom brake line or fuel line setups.

It features a male 3/8-24 inverted flare on one end and a female 9/16-18 inverted flare on the other.

The female port is designed for 1/4” or 5/16” line, so it’s versatile for various applications.

Made by Brake Hoses Unlimited, it’s constructed from steel with a durable Trilavent plating to resist rust and corrosion.

Whether you’re building custom lines, repairing old ones, or adapting fittings, this little piece gets the job done.

It’s a solid choice for automotive, motorcycle, or industrial use.

The 1-month warranty gives you peace of mind, but these are built to last.

Part number 261 for reference.

Easy to install with basic tools, just thread it in and tighten.

If you’re working on brakes, clutches, or any hydraulic system that uses inverted flare fittings, this adapter is a handy part to have.

Don’t let mismatched threads stop your project—grab this adapter and keep moving.