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Brake & Fuel Line Tube Nuts

Leaks at the flare seat cost you pressure and trust. These brake and fuel line tube nuts clamp the flare tight for solid termination on brake, power steering, fuel and cooler lines. Choose bubble flare, inverted flare or surface seal to match the fitting, go long nuts for extra engagement and vibration resistance up to 2,000 psi.

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Inverted Flare Brake Line Tube Nuts
Inverted Flare Brake Line Tube Nuts
Inverted flare brake line tube nuts made from steel with external threads and inverted flare head style. Designed to clamp a tube flare against the flare seat for secure line termination. Multiple thread and tube diameter options provide compatibility for repair and maintenance tasks. Made in the U.S.A.
Item # Tube OD Thread Size Shape Material Package Qty
Inverted Tube Nut - 10 Pack
3/16"
7/16"-24
Inverted Flare
Steel
10
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3/16" x 1/2"-20 Domestic Brake Line Inverted Flare Tube Nut - 10 Pack
3/16"
1/2"-20
Inverted Flare
Steel
10
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3/16" x 9/16"-18 Domestic Brake Line Inverted Flare Tube Nut - 10 Pack
3/16"
9/16"-18
Inverted Flare
Steel
10
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3/16" x M10 x 1.0 Japanese Brake Line Inverted Flare Tube Nut - 10 Pack
3/16"
M10 x 1.0
Inverted Flare
Steel
10
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1/4" x 1/2"-20 Domestic Brake Line Inverted Flare Tube Nut - 10 Pack
1/4"
1/2"-20
Inverted Flare
Steel
10
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1/4" x 9/16"-18 Inverted Flare Tube Nut - 10 Pack
1/4"
9/16"-18
Inverted Flare
Steel
10
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Inverted Flare Brake Line Long Tube Nuts
Inverted Flare Brake Line Long Tube Nuts
Inverted flare long tube nuts for hydraulic brake, power steering and fluid lines. Steel construction with external threads and two-piece flare sealing provides secure, vibration-resistant connections and up to 2,000 psi service at -65 °F to 250 °F for repair and maintenance tasks.
Item # Tube OD Thread Size Shape Material Package Qty
3/16" Long Tube Nut - 10 Pack
3/16"
3/8"-24
Nut
Steel
10
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1/4" Long Tube Nut - 10 Pack
1/4"
7/16"-24
Nut
Steel
10
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Bubble Flare Brake Line Tube Nuts
Bubble Flare Brake Line Tube Nuts
Bubble flare brake line tube nuts made from steel for secure brake or fluid line terminations. External threaded nuts in multiple thread options provide a clamped seal against the flare seat and help ensure leak-resistant connections. Suitable for automotive and equipment maintenance. Made in the U.S.A.
Item # Tube OD Thread Size Shape Material Package Qty
3/16" x 3/8"-24 British Brake Line Bubble Flare Tube Nut - 10 Pack
3/16"
3/8"-24
Bubble Flare
Steel
10
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3/16" x M10 x 1.0 European Brake Line Bubble Flare Tube Nut - 10 Pack
3/16"
M10 x 1.0
Bubble Flare
Steel
10
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3/16" x M11 x 1.5 Import Brake Line Bubble Flare Tube Nut - 10 Pack
3/16"
M11 x 1.5
Bubble Flare
Steel
10
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3/16" x M12 x 1.0 Import Brake Line Bubble Flare Tube Nut - 10 Pack
3/16"
M12 x 1.0
Bubble Flare
Steel
10
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3/16" x M13 x 1.5 Import Brake Line Bubble Flare Tube Nut - 10 Pack
3/16"
M13 x 1.5
Bubble Flare
Steel
10
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6 mm x M12 x 1.0 GM Brake Line Bubble Flare Tube Nut - 5 Pack
6 mm
M12 x 1.0
Bubble Flare
Steel
5
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6 mm x M12 x 1.0 Import Brake Line Bubble Flare Tube Nut - 10 Pack
6 mm
M12 x 1.0
Bubble Flare
Steel
10
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6 mm x M12 x 1.5 GM Brake Line Bubble Flare Tube Nut - 5 Pack
6 mm
M12 x 1.5
Bubble Flare
Steel
5
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6 mm x M14 x 1.5 GM Brake Line Bubble Flare Tube Nut - 5 Pack
6 mm
M14 x 1.5
Bubble Flare
Steel
5
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Surface Seal Fuel Line Tube Nuts
Surface Seal Fuel Line Tube Nuts
Surface seal fuel line tube nuts made from steel with external metric threads and a surface-seal head for flared tubing connections. Universal design fits common tube ODs and clamps the flare against the seat when tightened to provide leak-resistant line termination, suited for repair tasks. Made in the U.S.A.
Item # Tube OD Thread Size Shape Material Package Qty
5/16" x M14 x 1.5 Surface Seal Tube Nut - 5 Pack
5/16"
M14 x 1.5
Surface Seal
Steel
5
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3/8" x M16 x 1.5 Surface Seal Tube Nut - 5 Pack
3/8"
M16 x 1.5
Surface Seal
Steel
5
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6 options | Item #: 8011
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2 options | Item #: 7896X3
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9 options | Item #: 8038
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2 options | Item #: 8109
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