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3/8" Tubing and Nuts

Cunifer is 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.

Save money when you buy tubing packages!

All nuts are steel except where followed by ss (stainless steel) or br (brass)

Nuts will vary in color.

The part number indicates the tube size.
-3 is 3/16", -4 is 1/4", -5 is 5/16", -6 is 3/8" , -8 is 1/2"


Save money when you buy nut packs!



Shops, Wholesale, Schools and Military Personnel - Call for pricing
Displaying products 1 - 9 of 9 results
CNF-6
CNF-6
Price: $115.95
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3/8 OD tubing x 25 foot coil
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CNF-6A
Price: $62.98
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3/8 OD tubing x 12 foot coil
A4-6
A4-6
Price: $4.00
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5/8 x 18 unf male fully threaded steel nut, SAE (double) flare .812” long
AD6br
AD6br
Price: $5.00
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1/4 NPT male to 5/8 x 18 female SAE
Use with 3/8" tubing
UA4-6br
UA4-6br
Price: $8.00
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5/8 x 18 unf female union SAE (double) flare brass
M13-6
M13-6
Price: $7.00
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16mm x 1.5 male with lead 19mm long.
AN816-6
AN816-6
Price: $10.00
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9/16 x 18 unf x 1/4npt Adaptor 1.43” long
AN818-6
AN818-6
Price: $4.50
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9/16 x 18 unf female steel nut .730” long
AN819-6
AN819-6
Price: $2.50
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steel sleeve .500” long
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