Best Brake Line Flaring Tools for DIY Mechanics and Professionals

The brake line flaring tool is a worthwhile long-term investment and will make a significant difference in your car. I have dealt with automotive for a long time, and I know the problems people face when looking for flaring tools. One can use flaring tools for both professional and personal purposes. I have also worked with many automotive accessories and products, so I have in-depth knowledge and an experienced perspective on flaring tools. Before you buy the best brake line flaring tool, consider your specific requirements and how the tool can satisfy them. I will give you some recommendations for the best flaring tools based on my experience. The brake line flaring tools are easy to handle, and they will make your work much easier. You will not need to project much prowess with the tool, since it is already efficient on its own. Brake line flaring tools can be used for several purposes, including fitting brakes, transmission lines, cooling lines, fuel lines, and other automotive applications. Best Overall Mastercool 72475-PRC... Best Value Titan... Best Choice OTC 6502 Master... - - - - - - 11.83 pounds 14.2 ounces 0.078 ounces 15 x 10.6 x 3.5 inches 2 x 5.1 x 9.1 inches 9.3 x 12 x 2.9 inches Universal Hydraulic Flaring Tool Set with Tube Cutter 51535 3/16-Inch Double Flaring Tool 6502 Check Price Check Price Check Price Best Overall Mastercool 72475-PRC... - - 11.83 pounds 15 x 10.6 x 3.5 inches Universal Hydraulic Flaring Tool Set with Tube Cutter Check Price Best Value Titan... - - 14.2 ounces 2 x 5.1 x 9.1 inches 51535 3/16-Inch Double Flaring Tool Check Price Best Choice OTC 6502 Master... - - 0.078 ounces 9.3 x 12 x 2.9 inches 6502 Check Price How to Use a Brake Line Flaring Tool Anyone doing their automotive repairs should have a brake line flaring tool set. Without the tools, it is quite difficult and almost impossible to find the right length of steel. It is very crucial to know how to use the brake line flaring tool. These steps will guide you through the process: Preparation Before you begin the process of flaring your brake line, break the pipe unions and squirt the nipples a day before. You also need to have some brake fluid ready. Ensure that all your tools and nut spanners are ready, and check if you will require any metric or imperial tools. Remove the road wheel and clamp any loose pipes to prevent leakage. Ensure that the bleeding nipple moves. If it doesn’t move or it has a breakage, then it’s high time you prepare for a replacement. Snap off the old, rusted brake pipes and use the ring spanner to remove the nuts. Replace the nuts, but keep the old brake pipes to cut the replacement to the right length. Using the Flaring Tools Step 1: Use the cut the tubing to your desired length using the tubing cutter. Remove any burrs from the cut end of the tube, then slide the tubing nut onto the hex end of the tube first. Step 2: Loosen the wing nuts and insert the tube in the appropriate opening of the tubing clamp. Place the correct adapter size, upside down, at the protruding end of the tube. Let the end of the tubing protrude from the tube so that it matches the thickness of the adapter’s larger part. Tighten the nuts of the wings tightly. Ensure the tool's halves are parallel as you tighten the nuts. Step 3: Turn the adapter over, coat it with a small amount of brake fluid, and then insert it into the tube. Step 4: On the tubing clamp, place it on the flaring. Make sure the screw point is centered, then lock the flaring tool to the tubing clamp. Turn the screw clockwise until the adapter bottoms out from the tubing clamp. The final tightening is quite easy if you clamp the tool in a vice. Step 5: Loosen the screw to remove the adapter. At this stage, the end of the tubing should have a bubble. Step 6: Position the brake line flaring tool with the point going through the tubing end and centered. Turn the screw clockwise and tighten it until the cone is fully bottomed out. Step 7: Remove the brake line flaring tool and inspect the end of the tubing. Ensure the flare is even all around, with no gaps or cracks. End by removing the tubing from the clamp. Step 8: After the final assembly, check carefully for any leakage. It would be prudent to do some experiments using scrap pieces of the brake pipe to gain confidence. The things you need for this process to be successful are a brake flaring tool, a tubing cutter, and brake fluid. You are advised to check for new flare cracks regularly. Never use the flare if you find any cracks on it. The proper flare will be even and centered on the opening of the brake fitting. The quality of the flare you choose will determine how well the fitting connects to the brake line, and to whichever part of the brake you will be attaching to. Brake Line Flaring Tools Lists 1. OTC 6502 Master Brake Flaring Tool Kit Check Price The OTC master brake flaring tool will make repairing your brake line quite comfortable. The OTC 6502 kit covers different types of flares, including bubble, double, and single flares. It comes along with other tools you will need for a perfect finish, such as adapters, a tube cutter, an arbor press, a flaring bar, and a deburring tool. All these items come in a durable and strong hard case. The kit is portable, weighing only 4 pounds. It is an awesome addition to your tool collection, and its aesthetics will match your other tools. Covers both bubble and single flares Single metric flares range from 4mm- 14mm, and single flare standard lines range from 3/16-5/8 inches. Double flare metric lines 4mm-10mm and Double flare standard lines 3/16-1/2 inches Bubble flare metric lines 4.75mm to 10mm and Bubble flare standard lines 3/16 to ½ inches. Kits come with a debarring tool, tube cutter, adapters, arbor press, and flaring bar 2. OTC 4503 Stinger Double Flaring Tool Kit Check Price The stinger double-flaring tool kit allows for both double and single cutting. This is one of the best double-flaring tools you will find. The swivel and yoke are of high quality. They are made of heat-treated steel, making them more durable. The yoke has the right hole to fit the brake line. This yoke is split into two halves, screwed together with a pair of wing nuts. The swivel slides at the back of the yoke easily and can be positioned to drive the adapter into the end of the brake line. The OTC stinger kit not only has a fantastic fit but also an excellent finish. This kit comes in an awesomely made plastic case for easy portability and storage. The tool can work on any type of car, as it can flare copper, aluminum, and soft-steel brake lines. Designed for single and double flares in aluminum, copper, soft steel, and brass brake line tubing Heat-treated forged steel yoke for durability Set has five adapters 3/16, ¼, 5/16, 3/8 and ½ Chrome-plated alloy steel swivel to reduce friction Blow-molded rugged plastic storage 3. OTC 6504 Deluxe ISO Bubble Flaring Tool OTC 6504 Deluxe ISO... $134.99 −$54.22 $80.77 Check Price The OTC 6504 flaring set makes high-quality flares and is also easy to use. It is ideal for metric steel brakes, a line that requires a bubble or ISO flares. The set comes with adapters of sizes 4.75mm, 6mm, 8mm, and 10mm. It also comes with a No. 6514 tubing cutter. All these come in a plastic blow-molded case, which makes transportation much better and easier. Adapters of sizes 4.75mm, 6mm, 8mm, and 10mm tubing 6514 tubing cutter Ideal for steel brake lines Suitable for bubble and ISO flares 4. Neiko 20657A ISO/Bubble Flaring Tool Kit Bestseller No. 1 Flexzion DIN/ISO... $28.99 Check Price The Neiko 20657A, a set of 9 pieces, comes in a blow-molded case. You can use it on metric soft-steel brake lines where a bubble-style flare is needed. It comes with four adapters of 10 mm, 8mm, 6mm, and 4.75mm tubing, a wrench/gauge, a flaring bar, and a yoke assembly. The brake line flaring tool is ideal for both domestic and foreign vehicles. The kit is easy to use for both DIYers and professional mechanics. The blow-molded case makes it easy to organize and carry around. Designed for Metric soft brake lines, which need a bubble or ISO-style flare Flaring bar, yoke assembly, and Wrench/Gauge for 10mm tubing 4 adapters of sizes 8mm, 6mm, and 4.75mm Lever lock flaring bar for easy usage Blow-molded packaging for proper storage and organizing 5. Neiko 20656A Auto Double Flaring Copper Bestseller No. 1 Thorstone Double... $23.98 −$2.01 $21.97 Check Price Neiko 20656A is a perfect kit for anyone looking for a single- and double-flaring tool. It is suitable for use on various materials, including soft steel, magnesium, brass, and aluminum brake lining tubing. This kit is made from durable steel, making it ideal for heavy-duty applications. It is suitable for applications that may generate significant friction, as it is made of alloy steel and chrome-plated steel. All the tools in this kit come in a hard plastic storage case, which is portable and convenient for transportation. Designed for single and double flares Used in soft steel, magnesium, brass, aluminum, and copper brake line tubing 5 adapters of sizes 3/16, ¼, 5/16, 3/8, and ½. Swivel made with chrome and steel-plated material for reduced friction Heavy-duty design made from heat-treated steel for durability The blow-molded case for convenient handling and portability 6. Shankly Flaring Tool Set Bestseller No. 1 Shankly Double... $21.99 Check Price The best thing about the Shankly flaring toolset is that it is convertible and precise. The flaring cone and swaging adapters in this set are made of sturdy steel and finished in chrome for precision and easy operation. The Shankly flaring tool kit includes several useful tubes and five swage fittings, making it a long-lasting, rugged kit. The tubes are of sizes 5/8, ½, 3/8, 5/16, ¼, and 3/16. It also comes with a wide range of flaring adapters, including 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, and 16mm. The Shankly brake line flaring tool features two bars that cover nine sizes. It has a slip-on, self-centering steel yoke with forming quality and professional swages and flares. It is a standard flare toolset with 10 pieces, not a double-flaring tool. The set also includes a tubing cutter. It is an ideal choice for professionals since it is all-inclusive. It is a Standard tool Flare adapters of sizes 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, and 16mm 5 swage fittings for 3/16, ¼, 5/16, 3/8, ½, and 5/8 tube sizes Made with steel materials and a chrome finish for precision and easy operation Steel forged self–centering yoke 7. Shankly 9 Piece Flare Tool Bestseller No. 1 Shankly Flaring Tool... $36.98 Check Price Shankly's nine-piece flaring tool contains all the tools you require to do flaring jobs either as a DIY or as a professional. It contains flare adapters of different sizes, standard swage fittings, a self-centering toke, and a professional tubing cutter. These materials are made of steel and are, therefore, reliable and durable. The Shankly double-flaring tool kit can be used for various applications, as it operates with high precision and accuracy. All nine pieces in this tool kit will inevitably produce high-quality flares. It’s a standard flaring tool 6 adapters of sizes 5/8, ½, 3/8, 5/16, ¼ and 3/16 Precise and convertible Have two bars with a self-centering yoke 8. Shankly Flaring Tool Kit 7 Piece Tool Set Bestseller No. 1 Shankly Double... $21.99 Check Price This toolkit contains components with a chrome finish and sturdy steel. The set is complete and unique. It comes with tubing adapters in sizes 14mm, 12mm, 10mm, 8mm, and 6mm, four spring blenders in sizes 6mm, 8mm, 10mm, and 12mm, and a tube cutter in sizes 3-28mm. All this content comes in a hardy travel case. This brake line flaring tool set comes with everything you will need for the job, starting from a tubing cutter to spring benders. This tool, however, is not a double-flaring tool but a standard flaring tool. This brake line flaring tool features two bars that cover several sizes, with a self-centering, slip-on, forged-steel yoke to assist in forming quality flares. An all-inclusive kit with spring benders and a tubing cutter Tubing adapters ranging from size 3/16, ¼, 5/16, 3/8, ½ and 5/8 Tube cutter for 3mm to 28 mm 4 spring benders of sizes 6mm, 8mm, 10mm, and 12 mm Two tube bars with a self-centering yoke 9. MASTERCOOL 70058 Bestseller No. 1 Mastercool 70058-A... $97.95 Check Price Mastercool 70058 is a complete kit with a “Deburring” tool, a cutter, and a plastic box. It has an automatic toque release and is lightweight, thus easily portable. This Mastercool-manufactured kit is designed with aluminum, making it stable and durable. The “deburring” tool is ideal for making both propane and NG flares. This Mastercool flaring tool produces smooth, even flares. However, it is suitable for HVAC applications and not recommended for automotive applications. Automatic torque release Durable and lightweight Aluminum design Have a steel exterior Included a tube cutter and deburring tool Housed in a plastic box 10. MASTERCOOL 72475 Bestseller No. 1 Mastercool 72475-PRC... $294.49 Check Price This brake flaring features various adjustments, resulting in high-quality flaring. The kit includes various sizes of push-connect, metric, transmission, brake line, and GM line flares. This remarkable tool works on both dead soft and annealed steel. You can use the mini cutter for sizes from 1/8 to 5/8. This flaring tool has simple, easy-to-use adjustments. The MASTERCOOL kit is ideal for both industrial and residential purposes. You can use the kit for both bubble and double flaring. This tool is designed with quality materials, and it will serve you for a long. It features an enlarged die set, improving grip quality. It features a super-magnetic adapter that keeps it in place. Include 70027 mini cutters for 3mm-16mm tube sizes It can be used on dead soft and annealed steel Has an enlarged die set compression Magnetic adapters that keep adapters in their perfect place Die and tube set stabilizing arm, which makes tube forming easy 11. Titan Tools 51535 Double Flaring Tool Bestseller No. 1 Titan... $49.99 −$5.00 $44.99 Check Price The Titan brake line flaring tool is indispensable for repairing brake lines on vehicles. It has a user-friendly design and includes detailed instructions to help you create perfect double flares. The compact design of this flaring tool makes it ideal for automotive applications. With this tool, you do not have to remove the brake line from your vehicle to repair it, since you can do it when everything is still in place. The toolkit contains a positioning bolt, die lubricant, a double-ended op1/op2 punch, and a flaring tool. This flaring tool, however, is not recommended for use on stainless steel tubing. Creates perfect inverted 45-degree flares, best for automotive brake line applications Includes 1 container of die lubricant, 1 double-ended OP1 /OP2 punch, and 1 positioning bolt The flaring tool has a removable handle You can remove the handle and use the tool in a bench vise Compact design allowing it to be used when brake lines are still in place 12. ABN Auto Double Flaring Tool Kit Bestseller No. 1 GEAROLL Brake Line... $36.99 Check Price Auto Body New Manufacturers have been producing premium automobile products for a long time. Their tool kit is suitable for both brass tubing and brake lines. The tool can be used for both double and single flares and is made with reliable auto-line tools. This brake line flaring kit from ABN promises to produce perfect flares without leaks. The toolset contains flaring tools and adapters ranging from 3/16 to ½. The tools are mainly designed for tubing and replacement jobs. Its yoke is made from heat-treated steel, which makes it more robust and durable. The best thing about this brake line flaring set is its lightweight, which makes transportation and portability easy. The steel swivel is chrome-plated for reduced friction It can be used for brass tubing and aluminum soft steel brake lines Heat-treated forged yoke for increased strength and durability 5 adapters of sizes 1/2, 3/8, 5,16, ¼ and 3/16 Tools are safely and securely stored in a blow-molded case Things to Consider Before Buying a Brake Line Flaring Tool You may be excited to buy your first brake line flaring tool, but it is crucial to take your time. Make sure you understand the features of the flaring set to see if it meets your needs. Below are some of the things you should look at before you buy a brake flaring tool: Leak-Proof A brake line flaring tool should always be leak-proof, as if it leaks, it will be meaningless. The material used to make the flaring tool will determine whether it leaks. Consider a flaring tool with durable, thick fittings to ensure that corrosive materials do not leak. Application This is essential to consider, as the toolset should meet your needs. The best flaring tool should be efficient. It should be ideal for use in in-car applications. Ensure that the brake flaring tool you buy is well compatible with your vehicle and, more especially, the brake parts. Brake System The brake system is one of the most vital parts of your vehicle, and it's where you'll use the flaring tool. Ensure that you are conversant with the fittings, pipes, and parts of your brake system, as well as how it works. With this information, you will be able to get the right brake flaring tool. Do a thorough vial inspection of your brake system to have a foresight of the size of cuts you will make. Flaring Tools Adapters Different flaring tool kits will come with several adapters. The adapters help you piece together tricky sections of your piping. It is prudent to buy the adapters with the flaring tool rather than separately. It will prevent you from buying the wrong adapters, which may not be compatible with the flaring tool. Durable Material Make sure that you buy a flaring tool that has withstood the test of time. It should be made with long-lasting materials that will withstand years of application. A durable tool does not necessarily have to be heavy. Manufacturers can now transform durable materials into lightweight, portable products. Metal steel materials have started making waves in the market again. Efficiency The double-flaring tools have made pipe fitting efficient and straightforward. The three main components of a flaring tool include a metal piece, the crew, and the metal bar. These three components must be present for a brake line flaring tool to operate at maximum efficiency. The most efficient flaring tool is the one that can form tight fittings, which is a major consideration during the purchasing process. Cost Single-flaring tools are much cheaper than double-flare sets. However, if you want a flare kit for heavy-duty applications, it is crucial to invest in a long-lasting kit. As much as you want a tool kit that fits your budget, do not compromise the quality for the price. best double flare tool Frequently Asked Questions(FAQs) How to Bubble Flare Brake Line? To flare a brake line, you need a bubble flaring kit. The kit should include adapters, a yoke, a flaring bar, and a pipe cutter. With this kit, you can make a single flare, a double flare, and a bubble flare. Set the tubing to the desired size in the pipe cutter. Rotate as you tighten the knob on the outer side, and repeat till you cut the tubing. Insert the brake line fittings correctly in the flaring bar. The opening of the tubing should be facing up towards the flat part of the flaring bar. Insert the tubing into the correct-sized hole in the flaring bar. For the 3/16 brake line tubing, the end should be up to about ¼ from the edge of the flaring bar. Tighten the flaring bar to prevent the tube from moving. Put the flaring button into the open part of the tubing. Put the flaring yoke onto the bar to flare up the tubing. Ensure the button and the attachment are perfectly straight. If it gets crooked, then the bubble flare will come out crooked, which will cause a brake line leak. Tighten the flaring button going downwards using the flaring yoke, but do not overtighten. When you feel that it is tight, do not squeeze further. Remove the flaring yoke and the button. Loosen the flaring bar to get the bubble flare. Do Brake Lines Need To Be Double Flared? A double flare is one of the most popular flares you will get in vehicles. Here, you will be forming the end of the line twice when folding the lip of the single flare over. The double flare is similar to the single flare, but it is much more acceptable and stronger for high-pressure applications in a brake system. It is not advisable to use single flares for brake lines, as they tend to crack and leak more easily. Double flares are the best choice for brake lines. They were mainly in US-manufactured cars in the ’80s. Are Brake Line Compression Fittings Safe? Though compression fittings are considered to be more reliable than threaded fittings, they have several shortcomings. Compression fittings are less resistant to vibration than welded or soldered fittings. Repeated bending of the fittings may cause the ferrule to lose its grip on the tube. How Much Pressure Should Be In A Brake Line? Metal brake lines can withstand up to 5000 psi. Most of the brake lines, however, burst around 15,000 psi. The full lock operating pressures of brake systems in the conventional OEM style automotive are 900 to 100 psi, the 69 bar manual brakes. The 96-bar power-assisted brakes can go beyond 1,400 psi. How Do Flare Fittings Seal? Put oil on the threads so that when you seal, there will be less friction. Threads do not seal but are just tightened down with the nuts. The oil should make it easier for the nuts to turn for the threads and seal it with the flare. best bubble flare tool Conclusions Pipes are the backbone of any construction project. They hold things together and serve as the foundation of a larger structure. The foundation should be concrete and stable since if it falls, then the entire thing will crumble. It is therefore vital to fit the pipes together, and the best brake line flaring tool will help you make the necessary adjustments. A brake flaring tool will make the pipes more pliable so that they can fit well with the next session. Looking for a brake line flaring tool does not have to be a tedious process. This review will help you understand the features of the top flaring tools and see which best match your preferences and needs. Both hobbyists and professionals can use the flaring tools discussed above. One can also use flaring tools in non-automotive industries. It would be more prudent to choose a double-flare kit, as you can use it for both single- and double-flaring. Also, make sure the materials used to make the tools are suitable for the application you intend to use them for. Consider stainless steel flaring tools for brake lines in cars. Ensure you know how to use the flaring tools, especially when working on automotive projects. Learn More: Best Brake Line Benders Reviews and Buying Guide 10 Best Fuel Line Materials Reviews Step by Step Instructions on How to Fix Rusted Brake Lines