Zinc-Chromate Steel Inverted Flare Tube Nut — SAE 45° Brake & Air Line Fitting
SAE 45° inverted flare tube nuts for making leak-tight connections on metal tubing. Each nut slips over the tube and seats against a standard 45° inverted flare, then threads into a matching female union, tee, or adapter — the industry-standard connection for hydraulic brake, fuel, transmission-cooler, power-steering, and low-pressure air lines. A zinc-chromate finish adds corrosion resistance. Choose your tube size and thread from the options below.
Key specifications
- Type: SAE 45° inverted flare tube nut
- Finish: zinc-chromate plated steel
- Available tube sizes: 1/8" through 1"
- Thread sizes: 5/16-28 through 1-5/16-16 (varies by size — see options)
- Connection: mates with standard 45° SAE inverted flare female fittings
Typical applications
Automotive and light-industrial fluid and air lines — hydraulic brake and clutch systems, fuel and oil lines, transmission-cooler lines, power steering, and low-pressure compressed-air runs where a 45° inverted flare connection is specified.
These zinc-chromate steel inverted flare tube nuts fit standard SAE 45° flares in tube sizes from 1/8" to 1", giving you a durable, corrosion-resistant connection for brake, fuel, and air lines. Select the exact tube OD and thread you need from the size options above.
NOTE: Actual product may be different from pictured!
Financing Options
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