Aeroflow Stainless Steel Hard Line 1/4" (6.35mm) 25ft (7.5m) Roll AF66-2998SS

Aeroflow Stainless Steel Hard Line 1/4" (6.35mm) 25ft (7.5m) Roll

Aeroflow Performance 304 stainless steel hard lines are aircraft-quality, seamless thin wall tubes that are double annealed for easier flaring and bending. This stainless-steel brake, fuel, or oil line is ideal for routing lines along the chassis, framerails, or anywhere flexible line is not required. These stainless-steel hard lines are rated for up to 6000 psi and designed for use with tube line adapter fittings or when using a flaring tool with tube nut/tube sleeve combinations.

The hard line is available in 25-foot rolls (7.6 metres) of 3/16" (4.76mm), 1/4" (6.35mm), 5/16" (7.95mm), 3/8" (9.52mm) or 1/2" (12.7mm) outside diameter tubing.

NOTE: Stainless steel is more difficult to bend and flare compared to typical steel line. We recommend that a professional-grade flaring tool be used with these lines. Stainless steel can also be difficult to seal when replacing an existing brake or fuel line. The previously installed line can create a wear pattern on the flare seat which will not allow the new stainless-steel flare to seal properly. When replacing an existing line, we recommend a thorough inspection of the existing brake fitting, fuel fitting, junction block, wheel cylinder, brake caliper, etc. It's possible that the existing component may need to be replaced for a proper seal.

Key features

• High-quality 304 stainless steel construction for durability.
• Seamless design allows for easy routing and installation.
• Rated for high pressure up to 6000 psi.
• Available in multiple sizes to suit various applications.
• Double annealed for easier flaring and bending.
• Compatible with tube line adapter fittings for secure connections.

Technical details

• Material: 304 stainless steel.
• Length: 25 feet (7.5 metres).
• Diameter: 1/4" (6.35mm).
• Pressure rating: Up to 6000 psi.
• Manufactured to ASTM-A269 standards.

Applications / fitment

This stainless steel hard line is typically used in automotive and industrial applications where flexibility is not required.

• Ideal for brake line replacements in vehicles.
• Suitable for fuel line applications.
• Used in oil line installations.
• Perfect for custom chassis builds and modifications.
• Commonly used in off-road and fleet vehicles.

Why buy from Mick’s Gone Bush?

• Trusted Australian business focused on reliable power, auto-electrical, and service parts.
• Stock sourced from reputable distributors and brands.
• Practical support for trade, off-grid, and fleet customers.
• Clear shipping, warranty, and customer service policies.
• Expertise in providing the right products for your needs.

Frequently asked questions

What is the maximum pressure rating for this hard line?

The Aeroflow stainless steel hard line is rated for up to 6000 psi.

Can this line be used for fuel applications?

Yes, this stainless steel hard line is suitable for fuel line applications as well as brake and oil lines.

What tools are recommended for installation?

A professional-grade flaring tool is recommended for bending and flaring the stainless steel hard line.

Is this hard line compatible with existing brake fittings?

While it can be used with existing fittings, a thorough inspection is recommended to ensure proper sealing.

What sizes are available for this hard line?

This hard line is available in multiple sizes, including 3/16", 1/4", 5/16", 3/8", and 1/2" outside diameters.