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The 8 Best flared tube fittings of 2025

Are you trying to find flared tube fittings among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling flared tube fittings on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 19 hours of research and did 15 flared tube fittings tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best flared tube fittings you can buy today

No. 1
TL TOOLEGIN Brass Flare Cap Assortment Kits, SAE 45 Degree Flared Tube Fitting for 1/4" 5/16" 3/8" 1/2" 5/8" Tube OD, 5pcs
  • Contains:1/4" OD-1pc; 5/16" OD-1pc; 3/8" OD-1pc;1/2" OD-1pc; 5/8" OD-1pc(5pcs) (7/16" 1/2" 5/8" 3/4" 7/8" Thread Size)
  • The positive nature of the connection with the flare on the tube clamped between the nut and the body makes for extreme dependability and safety.
  • Flare fittings are appropriate alternatives for solder type joints where an open flame is either not desired or impractical.
  • For use with LP and natural gas, refrigeration, and hydraulic applications.
No. 2
MorningRo 6 Pcs Brass Flare Plug SAE 45 Degree Flare Tube Fitting Seal Plugs 6 Pcs Brass Flare Cap Assortment Kits for 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" Tube OD 6 Sizes Set
  • Packing List: this package includes 6 brass SAE 45 degree flare plugs in 6 sizes: 1/4", 3/4", 5/16", 3/8", 1/2", 5/8", 6 brass flared cap assortment kits in 6 sizes: 1/4", 3/4", 5/16", 3/8", 1/2", 5/8", 12 pcs in total, enough to meet your use and replacement needs
  • Strong and Reliable: the SAE 45 degree flare tube fitting is made of quality brass, reliable and strong, has good rust and corrosion resistance, high temperature resistance, good sealing, high temperature ductility and low permeability, serving you for a long time
  • Satisfactory Functions: sAE 45 degree flare tube fitting seal plugs can work under harsh conditions, are a good choice for metal seals; Designed for high pressure use and have good resistance to mechanical pulling, they can nicely meet your use demands
  • Safe to Use: our SAE 45 degree flare tube fitting can provide a reliable connection with the flare on the pipe clamped between the nut and the body, safe and reliable, tight and stable, allowing you to use it with confidence
  • Extensive Usage: the SAE 45 degree flared tube fitting is ideal for LP and natural gas, refrigeration, and hydraulic applications, propane production lines, low pressure, RV furnaces, water heaters and more, can effectively block gas pipelines and prevent leaks
SaleNo. 3
Breezliy Brass Flare Cap Assortment Kits, SAE 45 Degree Flared Tube Fitting for 1/4" 5/16" 3/8" 1/2" 5/8" Tube OD 5 Sizes Set
  • [Material]: Heavy-duty brass,strong and stable,with corrosion resistance,high temperature ductility and low permeability.
  • [Features]: The positive nature of the connection with the flare on the tube clamped between the nut and the body makes for extreme dependability and safety.
  • [Package includes]: 1/4" OD-1pc; 5/16" OD-1pc; 3/8" OD-1pc;1/2" OD-1pc; 5/8" OD-1pc (7/16" 1/2" 5/8" 3/4" 7/8" Thread Size)+ 1 PC Teflon Tape.
  • [Temperature range] :Operating temperature range of -65 to +250 degrees F. Flare fittings are appropriate alternatives for solder type joints where an open flame is either not desired or impractical.
  • [Application ]:The positive nature of the connection with the flare on the tube clamped between the nut and the body makes for extreme dependability and safety.For use with LP and natural gas, refrigeration, and hydraulic applications.
SaleNo. 4
Anderson Metals 54048-0604 Brass Tube Fitting, Half-Union, 3/8" Flare x 1/4" Male Pipe
  • Half union for connecting and disconnecting two tubes more easily than with a coupling
  • 45-degree flare head tube connection on one side and a male NPT connection on the other
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
  • Operating temperature range of -65 to +250 degrees F
  • Resists mechanical pullout for a more secure connection
  • 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.
No. 5
GASHER 10PCS Brass SAE 45 Degree Flare Tube Fitting,3/8" Flare Nut Air Conditioning Copper Pipe Extension Butt Copper Tube Flare Nut
  • Material: Brass For Corrosion Resistance, Ductility At High Temperatures, And Low Magnetic Permeability.
  • Widely used: Widely Used In The Fuel/Air/Lquid/Oil/Gas/Vacuum Lines.
  • Features: Flare Nut is used for the flared joint at the end of copper pipes, which should provide a solid connection with the fixed point through threaded joints and are important when dealing with large amounts of water pressure through the pipe or when dealing with high concentration gas distribution, suitable for replacing weld type fittings.
  • The maximum working pressure is 150PSI and the temperature range is -65℉-250℉.
  • Package includes: 10 × 3/8" SAE 45 Degree Flare Nut
No. 6
HQMPC Flare Fittings Brass Tube Fittings 3/8" Flare*1/2"NPT Flare Connector Gas Adapter Union Brass Tube Coupler Pipe Flare Fitting 6 Pcs
  • Material: Solid brass forged body
  • Thread: 3/8" Flare x 1/2" Male Npt , that's good for seal
  • PLEASE TAKE NOTICE - This pipe fitting can not be installed for potable water use. And, NPT thread size does not actual diameter, it is only nominal pipe size.
  • Used range: GAS X connect , stove , fireplace , grill , hearter connector , gass connector PLEASE TAKE NOTICE - This pipe fitting can not be installed for potable water use.
No. 7
Legines Brass Flared Plug 3/8" Tube OD, SAE 45 Degree Flare Tube Fitting(Pack of 2)
  • Hex plug with SAE 45-degree flare male end terminates tube size fitting
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
  • For use with LP and natural gas, refrigeration, and hydraulic applications
  • Used With: Copper, brass, aluminum and steel hydraulic tubing that can be flared.
  • Low cost and reusability, long or short nut. Good resistance to vibration.
No. 8
Brennan 2404-12-12 Steel JIC Flared Tube Fitting, Straight, 3/4" Tube OD JIC Male x 3/4-14 NPTF Male
  • Adapter for connecting pipes or fittings of different types
  • Fitting has a JIC flared male connector on one end and an NPTF male connector on the other
  • Made of steel for greater rust resistance than iron
  • Working pressure of up to 5000 psi
  • Operating temperature ranges from -63 to 400 F
No. 9
Litorange 4 PC Brass 1/4" Flare Male Adapter & 2 PC Brass 1/4" Female Flare Swivel Nut - Pack of 6
  • 【Material】: Made of premium solid brass with a longer service life, stronger and more durable than iron and iron galvanized pipe fittings
  • 【Firm And Durable】: Litorange Brass for corrosion resistance, high temperature ductility and low magnetic permeability
  • 【Application】: LP and natural gas, flammable liquids (special order), instrumental, refrigeration. power steering, hydraulic and pneumatic systems. Not for use in potable Drinking water applications
  • 【Temperature Range】: From -53°C to 121°C (-65 to 250 Degree F)
  • 【Package Include】: 4 PCS 1/4" Male Flare x 1/4" Male Flare & 2 PCS 1/4" Female Flare by 1/4" Female Flare adapter
No. 10
PATIKIL 3/8" Brass Flare Nut, 10pcs SAE 45 Degree Copper Flared Tube Fitting Brass Pipe Fitting for Air Conditioner Water Gas Line, Glossy
  • Color: Gold; Material: Brass; Thread specification: 3/8" female flare ( 5/8"-18 UNF thread); Height: 17mm / 0.67 inch; Hex Width: 21mm / 0.83 inch; Inner Hole Dia: 9.8mm / 0.39 inch; Fit for copper pipe outer diameter 3/8" (9.52mm); Temperature: -53 Celsius to 100 Celsius; Packing List: 10pcs x Brass Flare Nut
  • Advantages: Made from brass, our flare tube fittings are rust-resistant, corrosion-resistant, and vibration-resistant, ensuring long-lasting performance. Our flare tube fittings create a secure, leak-free seal even in high-pressure and vibrating applications, saving you time and effort on repairs.
  • Instruction: Easy installation and reusability. Our flare tube fittings are easy to install and can be reused, making them a versatile and cost-effective solution for all your flare tube fitting needs.
  • Application: Our brass flare tube fitting can work with aluminum, copper, brass, and welded steel tubing that can be flared, ensuring a secure connection for all your fuel, oil, gas, and air line applications. Manufactured especially for hard-to-hold liquids and gases. These brass flare tube fittings are good solutions for your mini split air conditioner, HVAC system and other plumbing needs.
  • NOTE: The tape is provided as an additional accessory for your plumbing work, we don't advise using this tape on flare tube fittings.
No. 11
Copper Flare Gasket, SAE 45 Degree Flared Fitting, 1/2" OD Tube, 10pcs
  • Type: 1/2" OD SAE 45 degree copper flare gasket.
  • Notice: the size 1/2" O.D. is not O.D. of the fitting, it is the size of matching tube.
  • U.L. Listed for Flammable liquids, economical, use with copper, Brass, aluminum and welded steel hydraulic tubing that can be Flared and metal-to-metal seal.Use with chopper, brass, aluminum and welded steel hydraulic tubing that can be flared.
  • Flare fittings are appropriate alternatives for solder type joints where an open flame is either not desired or impractical.
  • For use with LP and natural gas, refrigeration, and hydraulic applications.
No. 12
Hooshing 2PCS 3/8" Female Flare Adapter Swivel Nut Brass Flared Tube Fittings Brass Pipe Connector
  • Size: 3/8" Female Flare x 3/8" Female Flare, has a 45-degree flare connection on both ends.
  • Durable: Solid brass construction for corrosion resistance, high temperature ductility and low magnetic permeability. Suitable for copper, brass, aluminum, and steel tubing.
  • Superior Performance: Precisely milled, threads are tighter, deeper, smoother than regular products. The connection with the flare on the tube clamped between the nut and the body makes for extreme dependability and safety.
  • Widely Use: Union for connecting and disconnecting two pipes more easily than couplings. Great for LP and natural gas, flammable liquids (special order), instrumental, refrigeration. power steering, hydraulic and pneumatic systems.Not for use in potable Drinking water applications.
  • Easy to Install: No need to resort to other tools, convenient for connection and disassembly.
No. 13
Hooshing 2PCS Brass Tube Fitting 3/8" Flare to 1/2" NPT Male Thread Gas Adapter Flare Half-Union Couplers
  • SIZE - 3/8" Flare x 1/2" NPT Male Thread. (O.D. x O.D. about 5/8" x 3/4") NOTE: Thread size is a nominal pipe size and it does not represent the actual diameter, please check the size you need before ordering.
  • FIRM & DURABLE - Heavy Duty Brass for corrosion resistance, high temperature ductility and low magnetic permeability.
  • EASY TO INSTALL - Half union for connecting and disconnecting two tubes more easily than with couplings.
  • WIDELY USE - The Flare threaded connects to a flared tube or fitting, and is suitable for use with fuel and gas systems, plumbing, refrigeration, and vacuum applications.
  • WORKING TEMPERATURE - Range from -53°C to 121°C (-65 to 250 Degree F).
No. 14
brennan - 183875 183875 2403-06-06 Steel JIC Flared Tube Fitting, Straight, 3/8" Tube OD JIC Male
  • Coupler for connecting two pipes in a straight run
  • Fitting has JIC flared male connectors for connecting to female JIC pipes
  • Made of steel for greater rust resistance than iron
  • Working pressure of up to 5000 psi
  • Operating temperature ranges from -63 to 400 F
No. 15
RFS Stainless Steel JIC Flared Tube Fitting, Straight, 3/8" Tube OD JIC Male
  • Coupler for connecting two pipes in a straight run
  • Fitting has JIC flared male threads for connecting to female JIC pipes
  • Made of stainless steel ss316 with higher resistance against corrosion and rust
  • Working pressure: 5000 psi, burst pressure: 20,000 psi, Operating temperature ranges from -63 to 400 F
  • Comply to SAE J514 and ISO 8434-2 standards. 37-degree flared seating surface.
No. 16
Anderson Metals 54014-04 Brass Tube Fitting, Short Flare Nut, 1/4" Tube OD, Copper
  • Short flare nut for connecting to a tube or fitting
  • Connects to copper, brass, aluminum, or steel tubing
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
  • Operating temperature range of -65 to +250 degrees F
  • Resists mechanical pullout for a more secure connection
  • 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.
No. 17
Brennan 6400-06-06-O Steel JIC Flared Tube Fitting, Straight, 3/8" Tube OD JIC Male x 9/16-18 Male Straight Thread O-Ring Boss
  • Adapter for connecting pipes or fittings of different types
  • Fitting has a JIC flared male connector on one end and an O-ring boss on the other
  • Made of steel for greater rust resistance than iron
  • Operating temperature ranges from -63 to 400 degrees F
  • Meets SAE standard J514 for quality assurance
No. 18
JUWO 1/2" Flare x 1/2" Flare Brass Tube Fitting for Propane, LP and Natural Gas, Fuel, Plumbing, Union (2-Pack)
  • 45-degree 1/2" male flare on both ends.
  • Used for propane, LP and natural gas, fuel, plumbing, refrigeration and more.
  • Compatible with copper, brass, aluminum, and steel hydraulic tubing that can be flared.
  • Constructed from brass with high-temperature ductility and low magnetic permeability.
  • Contain low lead and prohibited to install for potable water use in the USA by federal law.
No. 19
Brennan 2603-06-06-06-FG Forged Steel JIC Flared Tube Fitting, Tee, 3/8" Tube OD JIC Male
  • Tee with three openings for connecting and branching three pipes
  • Fitting has JIC flared male connectors for connecting to female JIC pipes
  • Made of forged steel for weldability, rust resistance, and durability
  • Meets Military Specification 51510
  • Meets SAE standard 070401 for quality assurance
No. 20
Legines Copper Flare Gasket, SAE 45 Degree Flared Fitting, 3/8" Tube OD(Pack of 10)
  • U.L. Listed for flammable liquids
  • Size: 3/8" tube O.D.
  • Use with chopper, brass, aluminum and welded steel hydraulic tubing that can be flared
  • Metal-to-metal seal
  • Functional requirements of sea J512 & sea J513

How to choose a good flared tube fittings

Does the idea of finding a fantastic flared tube fittings make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in flared tube fittings. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top flared tube fittings products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top flared tube fittings on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top flared tube fittings brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top flared tube fittings based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the flared tube fittings were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good flared tube fittings, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your flared tube fittings.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting flared tube fittings for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our flared tube fittings. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what flared tube fittings should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on flared tube fittings.