10 Best Brass Compression Tube Fitting of 2025

Tested and Reviewed: Top 10 Brass Compression Tube Fitting deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Taiidaues

Taiidaues Brass Compression Tube Fitting, Straight Coupling Adapter, 10 PCS 3/8" OD x 3/8" NPT Male Compression Union Connector & 10 PCS Compression Sleeves Ferrules

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Editor's bottom line:

“This brass compression tube fitting is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

You Will Get- 10 pcs 3/8" OD x 3/8" NPT Male Compression brass tube fittings, 10 pcs 3/8" OD Compression Sleeves Ferrules. NPT thread is the nominal pipe size and does not represent the actual diameter, please refer to the dimension drawing for specific diameter
High Quality Brass - Our 3/8" compression fitting kit is made of high-quality brass, with strong wearcorrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility
Widely Use- Brass compression tube fittings meet specifications and standards of ASA, ASME asn SAE. Good sealing and repeatability, temperature and pressure resistance. Perfect fit for oil, gas, water and other non-corrosive or corrosive pipeline systems, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc
WORKING PRESSURE & TEMPERATURE - 2000 PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
Tips- These copper tubing fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories

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Picked by 397 people today

9.5

Taiidaues

Taiidaues Brass Compression Tube Fitting, 10 PCS 3/16" OD x 3/16" OD Compression Union Connectors & 10 PCS Compression Sleeves Ferrules

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Main Highlights

You Will Get - 10 pcs 3/16" OD x 3/16" OD Compression brass tube fittings, 10 pcs 3/16" OD Brass Compression Sleeves Ferrules. Compression Tube Fitting mainly consists of a fitting body with a 24 degree tapered hole, a ferrule with a sharp inner edge, and a nut for compression
High Quality Brass - Our 3/16" compression fitting kit is made of high-quality brass, with strong wearcorrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility
Widely Use- Brass compression tube fittings meet specifications and standards of ASA, ASME asn SAE. Good sealing and repeatability, temperature and pressure resistance. Perfect fit for oil, gas, water and other non-corrosive or corrosive pipeline systems, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc
Working Pressure & Temperature- 2000 PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
Tips- These copper tubing fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories

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9.5

ChillWaves

ChillWaves Brass Compression Tube Fitting, 1/8" OD x 1/8" NPT Male Compression Union Connector(10-PACK)

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Main Highlights

SIZE - 1/8" Tube OD x 1/8" NPT Male Compression Tube Fitting. Note, NPT thread is the nominal pipe size and does not represent the actual diameter, please refer to the dimension drawing for specific diameter.
MATERIAL - Made of high-quality brass, with strong wear and corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility.
Use - Suitable for oil, gas, water and other non-corrosive or corrosive pipeline systems, temperature and pressure resistance, good sealing and repeatability, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc.
WORKING PRESSURE & TEMPERATURE - 1200PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
WORKING PRINCIPLE - Compression Tube Fitting is to compress the ferrule by thread interlocking, and the two ends of the inner diameter of the ferrule tightly wrap the tube due to radial shrinkage, which plays a sealing role and realizes the sealing and tightening effect between the joint and the tube.

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9.2

Siptenk

Siptenk 255PCS Brass Compression Sleeves Ferrules Inserts Nuts Fittings for Tube OD 1/2" 3/8" 5/16" 1/4" 3/16" 1/8", 6 Sizes Hose Compression Fitting Brass Ferrule Kit

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Main Highlights

SIPTENK 255PCS BRASS COMPRESSION FITTINGS FOR 6 SIZES OD TUBE: Sleeves Ferrules 1/2" 10pcs, 3/8" 16pcs, 5/16" 16pcs, 1/4" 20pcs, 3/16" 20pcs, 1/8" 20pcs; Inserts 1/2" 10pcs, 3/8" 16pcs, 5/16" 16pcs, 1/4" 20pcs, 3/16" 20pcs, 1/8" 20pcs; Nuts:1/2" 5pcs, 3/8" 8pcs, 5/16" 8pcs, 1/4" 10pcs, 3/16" 10pcs, 1/8" 10pcs.
HIGH-QUALITY BRASS MATERIAL: Siptenk compression fitting are made of brass, which is strong and hard, with better corrosion and rust resistance and pressure resistance, so you can use the brass fittings for a long time.
PRECISE & EXCELLENT WORKMANSHIP: Precise and diverse brass ferrule kit sizes, with fine manufacturing process for smooth surface without burrs, ensure users have a good purchase experience and meet different need.
EASY TO INSTALL: The brass compression insert, sleeve ferrule, nuts, used with aluminum, stainless steel, plastic and copper tubing, can connect lines for air, water, fuel, oil and inert gases, while inserts are mainly used to insert into hoses quickly and easily.
PLASTIC STORAGE CONTAINER: Includes a durable but lightweight plastic storage container, which can protect the hose compression fitting from rusting and keeps all screws stored intact.
WIDE ALLPICATION: The sleeves ferrules & inserts & nuts are widely used in hydraulic and pneumatic systems, connecting lines for air, water, fuel, oil and inert gases, such as connecting copper, brass, aluminum or plastic pipes.
AFTER-SALES: If you have any questions about Siptenk brass compression fittings kit, please feel free to contact us. We will do our best to help you solve the problem and ensure to provide you with a pleasant shopping experience.

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9.0

TRUSTKITS

TRUSTKITS 1/4"OD x 1/4"OD Brass Compression Tube Fittings, 1/4" Compression Union Tee, 1/4"OD x 1/4"NPT Compression Fitting Straight Coupling Adapter, 90 Degree Elbow with Sleeves Ferrules 38 PCS

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Main Highlights

PREMIUM SOLID BRASS 1/4" brass compression fittings are made from high-quality brass, these compression tube fittings offer excellent wear and corrosion resistance, high compressive strength, durability, and low magnetism
YOU WILL GET- 1/4 in compression fittings contains: 1/4" OD compression union-4 pcs, 1/4" OD X 1/4" NPT Straight male-4 pcs, 1/4" OD X 1/4" NPT 90° Elbow male-4 pcs,1/4" OD compression tee-4 pcs, 1/4" OD compression sleeves ferrules-20 pcs,and thread seal tape-2 pcs.Total 38 pcs Brass Compression Fittings
WORKING PRESSURE & TEMPERATURE Rated up to 2000 PSI, suitable for temperatures from -65°F to +250°F (-53°C to +121°C).
WIDELY USE 1/4 air line compression fittings meet ASA, ASME, and SAE standards. Provides reliable sealing, repeatability, and resistance to temperature and pressure changes. Ideal for oil, gas, water, and non-corrosive or corrosive fluid systems. No welding or flaring requiredeasy to install, disassemble, and maintain
EASY TO INSTALL - These brass compression fittings 1/4" is to compress the ferrule by thread interlocking, and the two ends of the inner diameter of the ferrule tightly wrap the tube due to radial shrinkage, which plays a sealing role and realizes the sealing and tightening effect between the joint and the tube

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8.8

HASAOMOI

HASAOMOI 135PCS Brass Compression Tube Pipe Fittings Kits, 1/8" 3/16" 1/4" 3/8" 1/2" Union/Tee/Elbow/Straight Connector for Industrial Use and Trucks Trailers

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Main Highlights

PREMIUM MATERIAL: Our brass compression fittings kit is made of high-quality brass, with strong wear, corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility
WORKING PRESSURE & TEMPERATURE: The maximum working pressure of compression tube fitting repair is up to 200PSI , temperature range -65°F to +250°F (-53°C to +121°C)
EASY TO INSTALL: Manufactured for low and medium-pressure tubing connection work where excessive vibration or tube movement is not involved. Compression Fittings do not require any flaring, soldering, or other type of tubing preparation. Use with copper, brass, aluminum, or plastic tubing. Standard fittings use short nuts
WIDELY USE: Brass compression tube fittings meet specifications and standards of ASA, ASME and SAE. Good sealing and repeatability, temperature and pressure resistance. Perfect fit for oil, gas, water and other non-corrosive or corrosive pipeline systems, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc
PACKAGE INCLUDES: The brass compression tube pipe fittings kit package includes 135 pcs: 24pcs union connectors, 3 pcs tube tees, 12 pcs 90°elbows NPT Thread, 10 pcs straight male connectors NPT Thread, 6 pcs hex hushing, 40 pcs sleeves ferrules, 20 pcs sleeves Insert, 20 pcs sleeve nuts. In addition, with 1pc 4m teflon tape and 1pc tube cutter

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8.6

TL TOOLEGIN

Brass Compression Tube Fitting, Union, 1/4" OD x 1/4" OD, 5pcs

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Main Highlights

Size: 1/4" Tube OD x 1/4" Tube OD.
Three piece construction - nut, sleeve and body with attached insert.Easy to disassemble no flaring tool required.
Use with copper, brass, aluminum, or plastic tubing. -65 Degree F to +250 degree F temperature range. Standard fittings use short nuts.
Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
These fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories.

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8.3

ChillWaves

ChillWaves Brass Compression Tube Fitting, 1/4" OD x 1/8" NPT Male Compression Union Connector(10-PACK)

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Main Highlights

SIZE - 1/4" Tube OD x 1/8" NPT Male Compression Tube Fitting. Note, NPT thread is the nominal pipe size and does not represent the actual diameter, please refer to the dimension drawing for specific diameter.
MATERIAL - Made of high-quality brass, with strong wear and corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility.
Use - Suitable for oil, gas, water and other non-corrosive or corrosive pipeline systems, temperature and pressure resistance, good sealing and repeatability, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc.
WORKING PRESSURE & TEMPERATURE - 1200PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
WORKING PRINCIPLE - Compression Tube Fitting is to compress the ferrule by thread interlocking, and the two ends of the inner diameter of the ferrule tightly wrap the tube due to radial shrinkage, which plays a sealing role and realizes the sealing and tightening effect between the joint and the tube.

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8.1

ChillWaves

ChillWaves Brass Compression Tube Fitting, 1/2" OD x 1/2" NPT Male Compression Union Connector(5-PACK)

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Main Highlights

SIZE - 1/2" Tube OD x 1/2" NPT Male Compression Tube Fitting. Note, NPT thread is the nominal pipe size and does not represent the actual diameter, please refer to the dimension drawing for specific diameter.
MATERIAL - Made of high-quality brass, with strong wear and corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility.
Use - Suitable for oil, gas, water and other non-corrosive or corrosive pipeline systems, temperature and pressure resistance, good sealing and repeatability, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc.
WORKING PRESSURE & TEMPERATURE - 1200PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
WORKING PRINCIPLE - Compression Tube Fitting is to compress the ferrule by thread interlocking, and the two ends of the inner diameter of the ferrule tightly wrap the tube due to radial shrinkage, which plays a sealing role and realizes the sealing and tightening effect between the joint and the tube.

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8.1

ZKZX

Brass Compression Tube Pipe Fitting Connector, Straight Coupling Adapter,1/4" Tube OD x 1/4" NPT Male Connector 5pcs (1/4" OD Compression x 1/4" NPT Male)

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Main Highlights

Tube OD Compression to NPT tube adapter for converting Standard National Pipe Thread (NPT) pipe to Aluminum, Plastic, and Copper straight compression thread pipe Tubing.
Tube OD Compression to NPT tube adapter for converting Standard National Pipe Thread (NPT) pipe to Aluminum, Plastic, and Copper straight compression thread pipe Tubing.
Tube OD Compression to NPT tube adapter for converting Standard National Pipe Thread (NPT) pipe to Aluminum, Plastic, and Copper straight compression thread pipe Tubing.
Heavy-duty brass construction with rust proof, corrosion resistance, high temperature ductility and low magnetic permeability

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Our Best Overall Choice

Best Choice

9.7

Taiidaues

Taiidaues Brass Compression Tube Fitting, Straight Coupling Adapter, 10 PCS 3/8" OD x 3/8" NPT Male Compression Union Connector & 10 PCS Compression Sleeves Ferrules

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

You Will Get- 10 pcs 3/8" OD x 3/8" NPT Male Compression brass tube fittings, 10 pcs 3/8" OD Compression Sleeves Ferrules. NPT thread is the nominal pipe size and does not represent the actual diameter, please refer to the dimension drawing for specific diameter
High Quality Brass - Our 3/8" compression fitting kit is made of high-quality brass, with strong wearcorrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility
Widely Use- Brass compression tube fittings meet specifications and standards of ASA, ASME asn SAE. Good sealing and repeatability, temperature and pressure resistance. Perfect fit for oil, gas, water and other non-corrosive or corrosive pipeline systems, no need for welding and flaring tools, easy disassembly, installation and maintenance, etc
WORKING PRESSURE & TEMPERATURE - 2000 PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C)
Tips- These copper tubing fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories

Show Price

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