818-06-BLK -6 Tube Nut | Black Anodised

Speedflow 818-06-BLK | -6 Tube Nut — Black Anodised

Convert your steel or aluminium hard line tubing to -6 AN fittings with the Speedflow 818-06-BLK compression-style tube nut. One of the most commonly used tube nut sizes in performance automotive plumbing, the -6 AN suits a wide range of fuel, oil, and coolant hard line applications. Flare your tubing to 37°, fit the matching sleeve, and thread onto any standard -6 AN female fitting for a clean, professional, leak-free hard line connection — no welding or brazing required.

Why Choose the Speedflow 818-06-BLK?

• Compression-style tube nut — converts steel or aluminium hard line tubing to -6 AN fittings quickly and cleanly
• 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 with a clean, professional finish suited to any build aesthetic
• -6 AN thread — mates with all standard -6 AN female fittings, adapters, and bulkheads
• Versatile -6 AN sizing — one of the most widely used AN sizes across fuel, oil, and coolant hard line circuits
• Sold individually — order the exact quantity needed for your build

Ideal Applications

Fuel hard line fabrication, oil feed and return hard lines, coolant circuit hard lines, power steering hard lines, and any -6 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: SF818-06-BLK
• AN Size: -6 AN
• Type: Compression Tube Nut
• Flare Angle: 37° JIC/AN
• Finish: Black Hard Anodised Aluminium

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