Cunifer is a seamless, copper nickel alloy DOT approved brake line used for OEM and replacement brake lines, fuel lines, power steering and cooling lines. Corrosion proof and easy to install high pressure hydraulic tubing for the harshest environments. All of our tubing conforms to hydraulic brake tubing specifications SAE J1650, DIN 74234 and BS 2871.
All nuts are steel except where followed by ss (stainless steel) or br (brass)
Nuts will vary in color.
The number after the dash in the part number indicates the tube size to be used with that nut.
-3 is 3/16", -4 is 1/4", -5 is 5/16", -6 is 3/8" , -8 is 1/2"
For example the A2-4 nut, the "-4" indicates it would be used with CNF-4 (1/4") tubing.
The nut dash size must match the tube dash size.
Save money when you buy nut packs!
Save money when you buy tubing packages!
Mastercard, Visa, American Express and Discover accepted.
Shops, Wholesale, Schools and Military Personnel - Call for pricing
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MSRP: $159.90
Price: $149.90
You Save: $10.00
2 coils of 1/4" OD tubing x 25 foot
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MSRP: $99.93
Price: $89.93
You Save: $10.00
1 coil of 3/16"/4.75mm OD tubing x 25 foot and
1/2 coil of 1/4" OD tubing x 12 foot coil
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MSRP: $132.28
Price: $122.28
You Save: $10.00
1 coil of 3/16"/4.75mm OD tubing x 25 foot,
1/2 coil of 1/4" OD tubing x 12 foot,
#2, and a #4 nut pack
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MSRP: $14.40
Price: $7.20
You Save: $7.20
Standard American brake line nut for 1/4" tubing
12 pack of A2-4
SAE flare (45 degree inverted/double)
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MSRP: $26.20
Price: $13.10
You Save: $13.10
Standard American nut pack for 1/4” tube
17 pieces
SAE flare (45 degree inverted/double)
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MSRP: $33.20
Price: $16.60
You Save: $16.60
American thread nut pack w/master cylinder nuts for 1/4” tubing
19 pieces
SAE flare (45 degree inverted/double)
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MSRP: $20.40
Price: $10.20
You Save: $10.20
12 pack of A2L-4
7/16" x 24 tpi male fully threaded steel nut - Long Style - .814" long
SAE Flare - (45 degree inverted/double)
Most common American long style nut for 1/4" brake line
Used in high vibration areas
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MSRP: $18.00
Price: $9.00
You Save: $9.00
6 pack of A23-4
Master Cylinder Nuts
SAE flare (45 degree inverted/double)
Use with 1/4" tubing
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MSRP: $19.50
Price: $9.75
You Save: $9.75
American master cylinder nuts for 3/16" and 1/4" brake line
7 pieces
SAE flare (45 degree inverted/double)
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MSRP: $135.60
Price: $67.80
You Save: $67.80
Master SAE/American nut asst. for 3/16” & 1/4” brake line
All these nuts and fittings have SAE flare (45 degree inverted/double) and American threads.
58 pieces
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MSRP: $18.00
Price: $9.00
You Save: $9.00
6 pack of M8-4
SAE flare (45 degree inverted/double) or DIN flare (bubble/ISO)
Use with 1/4" tubing
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MSRP: $173.50
Price: $86.75
You Save: $86.75
Master metric nut asst. for 3/16” & 1/4” brake line
56 pieces
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7/16" x 20 unf, 1/8" male pipe thread to male 37 degree steel
Adaptor 1.23” long.
Use with 1/4" brake line
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