1/4" Brake Line and Nuts

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.
 
For Girling/Lockheed brakes on a British/vintage/Euro cars the fittings you need are located here:  British/Girling brake line nuts
 
 
Shops, Wholesale, Schools and Military Personnel - Call for pricing
 
 
 
Displaying products 1 - 41 of 41 results
CNF-4 x 25 ft - 1/4" OD tubing x 25 foot coil
Price: $89.95
CNF-4 x 25 ft - 1/4" OD tubing x 25 foot coil
1/4" OD tubing x 25 foot coil - To see Quantity discounts click "more info"
CNF-4 x 21 ft - 1/4" OD tubing x 21 foot coil
unavailable
Price: $84.95
CNF-4 x 21 ft - 1/4" OD tubing x 21 foot coil
1/4" OD tubing x 21 foot coil
CNF-4 x 18 ft - 1/4" OD tubing x 25 foot coil
unavailable
Price: $75.95
CNF-4 x 18 ft - 1/4" OD tubing x 25 foot coil
1/4" OD tubing x 18 foot coil
CNF-4 x 15 ft - 1/4" OD tubing x 15 foot coil
unavailable
Price: $64.95
CNF-4 x 15 ft - 1/4" OD tubing x 15 foot coil
1/4" OD tubing x 15 foot coil
CNF-4 x 12 ft - 1/4" OD tubing x 12 foot coil
1/4
Price: $53.95
CNF-4 x 12 ft - 1/4" OD tubing x 12 foot coil
1/4" OD tubing x 12 foot coil
CNF-4 x 9 ft - 1/4" OD tubing x 9 foot coil
1/4
Price: $42.95
CNF-4 x 9 ft - 1/4" OD tubing x 9 foot coil
1/4" OD tubing x 9 foot coil
CNF-4 x 6 ft - 1/4" OD tubing x 6 foot coil
1/4
Price: $30.95
CNF-4 x 6 ft - 1/4" OD tubing x 6 foot coil
1/4" OD tubing x 6 foot coil
CNF-4 x 3 ft - 1/4" OD tubing x 3 foot coil
unavailable
Price: $19.95
CNF-4 x 3 ft  - 1/4" OD tubing x 3 foot coil
1/4" OD tubing x 3 foot coil
T2 - 2 coils of 1/4" OD tubing x 25 foot
MSRP: $179.90
Price: $169.90
You Save: $10.00
T2 - 2 coils of 1/4" OD tubing x 25 foot
2 coils of 1/4" OD tubing x 25 foot
T8 - 2 coils of 1/4" OD tubing x 25 foot and a #4 nut pack
MSRP: $199.00
Price: $189.00
You Save: $10.00
T8 - 2 coils of 1/4" OD tubing x 25 foot and a #4 nut pack
2 coils of 1/4" OD tubing x 25 foot and a #4 nut pack
T3 - 1 coil of 3/16"/4.75mm OD tubing and 1/2 coil of 1/4" OD tubing
MSRP: $113.90
Price: $103.90
You Save: $10.00
T3 - 1 coil of 3/16"/4.75mm OD tubing and 1/2 coil of 1/4" OD tubing
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
T4 - 1 coil of 3/16"/4.75mm OD tubing, 1/2 coil of 1/4" OD tubing and a #2 and #4 nut pack
MSRP: $149.75
Price: $139.75
You Save: $10.00
T4 - 1 coil of 3/16"/4.75mm OD tubing, 1/2 coil of 1/4" OD tubing and a #2 and #4 nut pack
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
T5 - 1 coil of 3/16"/4.75mm OD tubing x 25 foot and 1 coil of 1/4" OD tubing x 25 foot
MSRP: $149.90
Price: $139.90
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
1 coil of 3/16"/4.75mm OD tubing x 25 foot and 1 coil of 1/4" OD tubing x 25 foot
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
MSRP: $185.75
Price: $175.75
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
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
A2-4 - 7/16" x 24 tpi male fully threaded steel nut - SAE flare
Price: $1.70
A2-4 - 7/16" x 24 tpi male fully threaded steel nut - SAE flare
7/16" x 24 tpi male fully threaded steel nut, .562” long overall . common American nut for 1/4" tube SAE flare (45 degree/ inverted/double)
#10 Nut Pack
MSRP: $20.40
Price: $10.20
You Save: $10.20
#10 Nut Pack
12 pack of A2-4 7/16 x 24 tpi male - fully threaded - .562" long Standard short American brake line nut for 1/4" tubing SAE flare (45 degree/inverted/double)
#3 Nut Assortment
#3 Brake Line Fitting Assortment
MSRP: $30.20
Price: $15.10
You Save: $15.10
#3 Nut Assortment
Standard American nut Assortment for 1/4” tube 16 pieces SAE flare (45 degree/inverted/double)
#4 Nut Assortment
#4 Brake Line Nut Assortment
MSRP: $38.20
Price: $19.10
You Save: $19.10
#4 Nut Assortment
American thread nut Assortment w/master cylinder nuts for 1/4” tubing 18 pieces SAE flare (45 degree/ inverted/double)
A2L-4 - 7/16" x 24 tpi male fully threaded steel nut - Long Style - SAE Flare
7/16
Price: $2.20
A2L-4 - 7/16" x 24 tpi male fully threaded steel nut - Long Style - SAE Flare
7/16" x 24 tpi male fully threaded steel nut, .814” long overall Most common American long style nut for 1/4" brake line Used in high vibration areas SAE flare (45 degree/ inverted/double)
#11 Nut Pack
MSRP: $26.40
Price: $13.20
You Save: $13.20
#11 Nut Pack
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
A2-4ss - 7/16" x 24 tpi male fully threaded stainless steel nut - SAE Flare
7/16
Price: $7.00
A2-4ss - 7/16" x 24 tpi male fully threaded stainless steel nut - SAE Flare
7/16" x 24 tpi male fully threaded stainless steel nut, .562” long overall Most common American nut for 1/4" brake line in Stainless Steel SAE flare (45 degree/ inverted/double)
A23-4 - 1/2" x 20 unf male fully threaded steel nut - SAE flare
1/2
Price: $4.00
A23-4 - 1/2" x 20 unf male fully threaded steel nut - SAE flare
1/2" x 20 unf male fully threaded steel nut, .600” long overall Master cylinder nut SAE flare (45 degree/ inverted/double) Use with 1/4" brake line
#17 Nut Pack
master cylinder nut for 1/4 brake line
MSRP: $24.00
Price: $12.00
You Save: $12.00
#17 Nut Pack
6 pack of A23-4 1/2 x 20 unf male fully threaded steel nut, .600” long Master Cylinder Nuts SAE flare (45 degree inverted/double) Use with 1/4" tubing
A24-4 - 9/16" x 18 unf male fully threaded steel nut - SAE Flare
9/16
Price: $4.00
A24-4 - 9/16" x 18 unf male fully threaded steel nut - SAE Flare
9/16" x 18 unf male fully threaded steel nut, .600” long overall Master cylinder nut SAE flare (45 degree/ inverted/double) Use with 1/4" brake line (CNF-4)
#5 Nut Assortment
#5 Nut Assortment
MSRP: $22.00
Price: $11.00
You Save: $11.00
#5 Nut Assortment
American master cylinder nuts for 3/16"/4.75mm and 1/4" brake line 7 pieces SAE flare (45 degree/ inverted/double)
AD2br - Screw 3/16"/4.75mm line into female port to adapt to 1/4" line port hole- brass
AD2br -  Screw 3/16
Price: $6.00
AD2br -  Screw 3/16"/4.75mm line into female port to adapt to 1/4" line port hole- brass
Adaptor Adapt 3/16"/4.75mm line to 1/4" line SAE flare (45 degree/ inverted/double) 7/16" x 24 male SAE flare to 3/8" x 24 female SAE flare This adaptor is brass
AD3br - Screw 1/4" line into female port to adapt to 3/16"/4.75mm line port hole - brass
AD3br - Screw 1/4
Price: $6.00
AD3br - Screw 1/4" line into female port to adapt to 3/16"/4.75mm line port hole - brass
Adaptor Adapt 1/4" line to 3/16"/4.75mm line SAE flare (45 degree/ inverted/double) 3/8" x 24 male SAE to 7/16" x 24 female SAE This adaptor is brass
AD4br - Screw 1/4" line into female port to adapt to 1/8" NPT port hole - brass
Price: $6.00
AD4br - Screw 1/4" line into female port to adapt to 1/8" NPT port hole - brass
Adaptor 1/8" NPT male to 7/16" x 24 female, SAE flare (45 degree/ inverted/double) Use with 1/4" tubing This adaptor is brass
UA2-4br - 7/16" x 24 tpi female union - brass - SAE Flare
Price: $4.50
UA2-4br - 7/16" x 24 tpi female union - brass - SAE Flare
Union 7/16" x 24 tpi, SAE (45 degree inverted/double) flare. American style, female union,. This union is brass Use with 1/4" brake line
TA2-4br - 3 way Tee - 7/16" x 24 tpi female tee - brass - SAE flare
Price: $11.00
TA2-4br - 3 way Tee - 7/16" x 24 tpi female tee - brass - SAE flare
3 way Tee 7/16" x 24 tpi female tee SAE flare (45 degree inverted/double) This tee is brass Use with 1/4" brake line
#20 Nut Assortment
Master SAE/American brake line nut asst. for 3/16” & 1/4” brake line
MSRP: $167.60
Price: $83.80
You Save: $83.80
#20 Nut Assortment
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
M8-4 - 12mm x 1.0 male steel nut with non-threaded lead - SAE flare or DIN flare
12mm x 1.0 male steel brake line tubing nut with non-threaded lead - SAE flare or DIN flare
Price: $3.50
M8-4 - 12mm x 1.0 male steel nut with non-threaded lead - SAE flare or DIN flare
12mm x 1.0 male steel nut with non-threaded lead, 20mm long overall Found on: Bosch ABS units, European trucks, Unimogs, etc. SAE flare (45 degree inverted/double) or DIN flare (bubble/ISO) Use with 1/4" brake line
#16 Nut Pack
M8-4 brake line nut pack
MSRP: $21.00
Price: $10.50
You Save: $10.50
#16 Nut Pack
6 pack of M8-4 12mm x 1.0 male steel nut with non-threaded lead, 20mm long SAE flare (45 degree inverted/double) or DIN flare (bubble/ISO) Use with 1/4" tubing
M12-4 - 14mm x 1.5 male steel nut with non threaded lead - DIN flare
14mm x 1.5 male steel brake line tubing nut with non threaded lead - DIN flare
Price: $7.00
M12-4 - 14mm x 1.5 male steel nut with non threaded lead - DIN flare
14mm x 1.5 male steel nut with non threaded lead, 21mm long overall DIN flare (bubble/ISO) Late model domestic cars Use with 1/4" brake line
M15-4 - 12mm x 1.0 female nut - SAE flare
12mm x 1.0 female brake line nut - SAE flare
Price: $8.00
M15-4 - 12mm x 1.0 female nut - SAE flare
12mm x 1.0 female 20mm overall SAE flare (45 degree inverted/double) Use with 1/4" brake line
UM20-4 - 12mm x 1.0 female union - SAE flare
12mm x 1.0,  female brake line union - SAE flare
Price: $16.00
UM20-4 - 12mm x 1.0 female union - SAE flare
Union 12mm x 1.0, female union, 29mm long overall SAE flare (45 degree inverted/double) Use with 1/4"
TM20-4br - 3 way Tee - 12mm x 1.0 female tee - brass - SAE flare
3 way Tee - 12mm x 1.0 female brake line tee - brass - SAE flare
Price: $28.00
TM20-4br - 3 way Tee - 12mm x 1.0 female tee - brass - SAE flare
3 way Tee 12mm x 1.0, 29mm long overall 3 way female tee SAE flare (45 degree inverted/double) This tee is brass Use with 1/4" brake line
#21 Nut Assortment
Master metric brake line fittings asst. for 3/16” & 1/4” brake line
MSRP: $187.10
Price: $93.55
You Save: $93.55
#21 Nut Assortment
Master metric nut asst. for 3/16”/4.75mm & 1/4” brake line 56 pieces
AN 1/4 - 7/16" x 20 unf female steel nut and sleeve - 37 degree flare
7/16
Price: $8.00
AN 1/4 - 7/16" x 20 unf female steel  nut and sleeve - 37 degree flare
7/16" x 20 unf female steel nut (.620” long overall ) and sleeve (.400" overall) 37 degree flare Use with 1/4" brake line
AN816-4 - 7/16" x 20 unf, 1/8" male pipe thread to male 37 degree steel Adaptor
7/16
Price: $14.00
AN816-4 - 7/16" x 20 unf, 1/8" male pipe thread to male 37 degree steel Adaptor
7/16" x 20 unf, 1/8" male pipe thread to male 37 degree steel Adaptor 1.23” long overall. Use with 1/4" brake line
AN822-4 - 7/16" x 20 unf x 1/8" NPT 90 degree elbow - 37 degree flare
7/16
Price: $27.00
AN822-4 - 7/16" x 20 unf x 1/8" NPT 90 degree elbow - 37 degree flare
7/16" x 20 unf x 1/8" NPT 90 degree elbow 37 degree flare Use with 1/4" brake line

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