818-03-BLK -3 Tube Nut | Black Anodised

Speedflow 818-03-BLK | -3 Tube Nut — Black Anodised

Convert your steel or aluminium hard line tubing to AN fittings cleanly and professionally with the Speedflow 818-03-BLK — a -3 AN compression-style tube nut designed to work with a matching tube sleeve. Simply flare your tubing with a 37° flaring tool, slide on the sleeve, and thread the tube nut onto any standard -3 AN female fitting for a secure, leak-free hard line connection. An essential component for brake line, fuel line, and hydraulic clutch hard line fabrication in motorsport and performance automotive builds.

Why Choose the Speedflow 818-03-BLK?

• Compression-style tube nut — converts steel or aluminium hard line tubing to -3 AN fittings without welding or brazing
• 37° JIC/AN flare compatible — requires tubing to be flared with a standard 37° flaring tool for a positive, leak-free seal
• Black hard anodised aluminium — corrosion and fluid resistant; looks clean and professional in any build
• -3 AN thread — mates with all standard -3 AN female fittings and adapters
• Ultralight at just 1g — minimal weight impact for brake and clutch line applications
• Sold individually — order the exact quantity needed for your build

Ideal Applications

Brake hard line fabrication, hydraulic clutch line connections, fuel hard line conversions, and any -3 AN hard line plumbing circuit requiring a compression tube nut.

Important Note

A matching Speedflow tube sleeve and a 37° flaring tool are required for correct installation. The tube must be flared before fitting the sleeve and nut.

Specifications

• Part Number: SF818-03-BLK
• AN Size: -3 AN
• Type: Compression Tube Nut
• Flare Angle: 37° JIC/AN
• Finish: Black Hard Anodised Aluminium
• Weight: 1g

Stock held locally in Perth, WA — fast dispatch Australia-wide.