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.
Here's a sample of what our customers have to say about Cunifer brake line:
Dear FedHill: I felt compelled to write and say thanks for the great product and service. The order process was easy and the shipping time extremely fast. As a commercial snowplow company, we’ve learned the necessity of having brake repair supplies in stock at all times. Thanks to FedHill we have had 100% uptime and no brake related failures at all this season. Your product is so easy to install, my mechanics are doing preventive maintenance on brake lines, something that was never done before. In short, your product has made my business easier to run and more profitable in one easy step.
Thanks for providing a great product. King's Home Service
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 A1-3 nut, the "-3" indicates it would be used with CNF-3 (3/16") tubing.
The nut dash size must match the tube dash size.
Shops, Wholesale, Schools and Military Personnel - Call for pricing
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MSRP: $109.90
Price: $99.90
You Save: $10.00
2 coils of 3/16"/4.75mm 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 and a
#2 and #4 nut pack
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MSRP: $134.90
Price: $124.90
You Save: $10.00
T5 - 1 coil of 3/16"/4.75mm OD tubing x 25 foot and 1 coil of 1/4" OD tubing x 25 foot
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MSRP: $167.25
Price: $157.25
You Save: $10.00
T6 -
1 coil of 3/16"/4.75mm OD tubing x 25 foot and
1 coil of 1/4" OD tubing x 25 foot and a
#2 and #4 nut pack
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MSRP: $324.75
Price: $314.75
You Save: $10.00
3 coils of 3/16/4.75mm" OD tubing x 25 foot and 2 coils of 1/4" OD tubing x 25 foot
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MSRP: $12.00
Price: $6.00
You Save: $6.00
12 pack of A1-3
3/8 x 24 unf male fully threaded - .562" long
Standard American brake line nut for 3/16"/4.75mm tube
SAE flare (45 degree/ inverted/double)
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MSRP: $22.00
Price: $11.00
You Save: $11.00
The most common nuts used on American cars
17 pieces
SAE flare (45 degree inverted/double) for 3/16”/4.75mm tubing
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MSRP: $31.50
Price: $15.75
You Save: $15.75
Standard American nuts with master cylinder nuts for 3/16" tube
20 pieces
SAE flare (45 degree inverted/double)
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MSRP: $18.00
Price: $9.00
You Save: $9.00
12 pack of A1L-3
3/8 x 24 unf male fully threaded steel nut,.808” long
Common long style American nut
Use in high vibration areas
SAE flare (45 degree/ inverted/double)
Use with 3/16"/4.75mm tubing
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MSRP: $12.00
Price: $6.00
You Save: $6.00
6 pack of A12-3
7/16 x 24 tpi male - fully threaded - .550" long
Common American master cylinder nut for 3/16" /4.75mm tubing
SAE flare (45 degree inverted/double)
Some late model Ford Truck/back axle use these nuts
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MSRP: $19.50
Price: $9.75
You Save: $9.75
American master cylinder nuts for 3/16"/4.75mm 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”/4.75mm & 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: $24.00
Price: $12.00
You Save: $12.00
12 pack of M1-3
10mm x 1.0 male non-threaded lead - 17mm long
Standard European brake line nut for 3/16"/4.75mm tubing
It can be used with an SAE flare (45 degree/inverted/double) or DIN flare (bubble/ISO)
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MSRP: $37.50
Price: $18.75
You Save: $18.75
European metric nut pack for 3/16”/4.75mm tube
15 pieces
SAE flare (45 degree/ inverted/double) or DIN (bubble/ISO)
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MSRP: $24.00
Price: $12.00
You Save: $12.00
12 pack of M1L-3
10mm x 1.0 Fine thread, male steel nut with non-threaded lead, 23mm long
Standard long style European metric nut
Use in high vibration areas
SAE flare (45 degree/inverted/double) or DIN flare (bubble/ISO)
Use with 3/16"/4.75mm tubing
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MSRP: $18.00
Price: $9.00
You Save: $9.00
6 pack of M3-3
10mm x 1.0 female - 16mm overall
SAE (45 degree, inverted, double) flare
Use with 3/16"/4.75mm brake line
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MSRP: $24.00
Price: $12.00
You Save: $12.00
12 pack of M5-3
10mm x 1.0 male fully threaded - 16mm long
Standard short Asian metric brake line nut for 3/16"/4.75mm tubing
SAE flare (45 degree inverted/double)
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MSRP: $44.00
Price: $22.00
You Save: $22.00
The most common Asian metric nuts
17 Pieces
SAE flare (45 degree inverted/double) for 3/16”/4.75mm tubing
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MSRP: $30.00
Price: $15.00
You Save: $15.00
12 pack of M5L-3
10mm x 1.0 male fully threaded steel nut, 21mm long
Standard Asian long style nut
SAE flare (45 degree inverted/double)
Used in high vibration areas
Use with 3/16"/4.75mm tubing
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MSRP: $18.00
Price: $9.00
You Save: $9.00
6 pack of M6-3
12mm x 1.0 non-threaded lead - 20mm long
Common European master cylinder/ABS unit/Ferrari nut for 3/16"/4.75mm tubing
SAE flare (45 degree inverted/double) or DIN flare (bubble/ISO)
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MSRP: $30.00
Price: $15.00
You Save: $15.00
12 pack of M7L-3
10mm x 1.25 male fully threaded steel nut, 20mm long
SAE flare (45 degree inverted/double)
Some vintage Asian applications. Kawasaki
Use with 3/16"/4.75mm tubing
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MSRP: $173.50
Price: $83.25
You Save: $90.25
Master metric nut asst. for 3/16”/4.75mm & 1/4” brake line
56 pieces
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