The NZKW 37° Hardline Flare Tool is designed to create precise, consistent 37-degree flares on hardline tubing for reliable fitting connections.
Ideal for automotive performance, motorsport, and custom fabrication applications, it provides a practical solution for building professional hardline plumbing systems.
Featuring a durable metal construction, a knurled ergonomic handle, and a crossbar turning handle for controlled operation, this tool is built for workshop use and accurate flare forming.
Key Features
* 37° Flare Angle: Designed for forming 37-degree flares for compatible AN/JIC-style hardline fittings.
* Precise Flare Forming: Helps achieve consistent flares for secure, reliable fitting connections.
* Robust Construction: Durable metal body designed for regular workshop use.
* Controlled Operation: Crossbar handle provides leverage and control during the flaring process.
* Workshop Essential: Suitable for automotive plumbing, motorsport builds, and custom hardline fabrication.
Compatible line sizes:
3/16′, 1/8′, 1/4′, 3/16′, 5/16′,7/16′, 3/8′, 1/2′, 5/8′,3/4′
Applications
Ideal for fabricating hardline connections for fuel, oil, coolant, and other compatible fluid systems when used with the correct tubing and fittings.
Note: Confirm tubing material, outside diameter, wall thickness, and fitting compatibility before use. This tool is designed for 37° flares and is not intended for 45° SAE brake flares.







