818-04-BLK -4 Tube Nut | Black Anodised

Speedflow 818-04-BLK | -4 Tube Nut — Black Anodised

Convert your steel or aluminium hard line tubing to -4 AN fittings with the Speedflow 818-04-BLK compression-style tube nut. Flare your tubing to 37°, slide on the matching sleeve, and thread onto any standard -4 AN female fitting for a clean, professional, leak-free hard line connection. A staple component for brake line, fuel hard line, and hydraulic clutch line fabrication in motorsport and performance automotive builds.

Why Choose the Speedflow 818-04-BLK?

• Compression-style tube nut — converts steel or aluminium hard line tubing to -4 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 with a clean, professional finish
• -4 AN thread — mates with all standard -4 AN female fittings, adapters, and bulkheads
• Lightweight construction — minimal weight impact for brake, clutch, and fuel hard 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, oil hard line plumbing, and any -4 AN hard line 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: SF818-04-BLK
• AN Size: -4 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.