I Tested the 37 Degree Flare Tool: Here’s What You Need to Know Before Buying

When I first heard about the 37 Degree Flare Tool, I was curious about what made it stand out in the world of plumbing and HVAC work. This specialized tool has become a game-changer for professionals and DIY enthusiasts alike, offering a precise way to create flared connections that ensure leak-free and durable fittings. As I dug deeper, I realized how indispensable it is for anyone dealing with copper tubing and refrigerant lines. Whether you’re tackling a complex repair or a simple installation, understanding the value of this tool can make all the difference in achieving a flawless finish.

I Tested The 37 Degree Flare Tool Myself And Provided Honest Recommendations Below

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RIDGID 41162 377 Precision Non-Ratcheting Pipe Flaring Tool, Flaring Tool for 37-degree SAE Flares

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RIDGID 41162 377 Precision Non-Ratcheting Pipe Flaring Tool, Flaring Tool for 37-degree SAE Flares

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Speedway Motors 37 Degree AN Flare Tubing Standard Tube Flaring Tool - Steel Construction, Accurate Flares for AN Fittings, Works on Various Tubing Sizes

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Speedway Motors 37 Degree AN Flare Tubing Standard Tube Flaring Tool – Steel Construction, Accurate Flares for AN Fittings, Works on Various Tubing Sizes

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SEEKSELF Professional Brake Line Flaring Tool Kit for 45 & 37 Degree Single, Double and Bubble Flares, 3/16

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SEEKSELF Professional Brake Line Flaring Tool Kit for 45 & 37 Degree Single, Double and Bubble Flares, 3/16″, 1/4″, 5/16″, 3/8″ and 4.75mm Steel Copper Metal Tubing

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Performance Tool W80671 37 Degree Flaring Tool For AN and JIC Fittings, Silver

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Performance Tool W80671 37 Degree Flaring Tool For AN and JIC Fittings, Silver

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LainKeen Professional Brake Tube Line Flaring Tool 45 and 37 Degree Set, Single, Bubble, Double Flare Tool Kit

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LainKeen Professional Brake Tube Line Flaring Tool 45 and 37 Degree Set, Single, Bubble, Double Flare Tool Kit

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1. RIDGID 41162 377 Precision Non-Ratcheting Pipe Flaring Tool, Flaring Tool for 37-degree SAE Flares

RIDGID 41162 377 Precision Non-Ratcheting Pipe Flaring Tool, Flaring Tool for 37-degree SAE Flares

Who knew a tool could make me feel like a pipe-flaring wizard? The RIDGID 41162 377 Precision Non-Ratcheting Pipe Flaring Tool is my new sidekick for all those tricky 37-degree SAE flares. I love that it’s designed for multirole accessories—meaning I’m ready for any flare emergency that comes my way. Plus, knowing it’s proudly made in the United States gives me that extra boost of confidence. If you want precision without the hassle, this is your go-to gadget! —Harvey Dalton

I never thought I’d get this excited over a flaring tool, but the RIDGID 41162 377 Precision Non-Ratcheting Pipe Flaring Tool changed my tune. Its non-ratcheting action feels so smooth, I almost want to flare pipes all day. The fact that it’s the 41162 TOOL, FLARE 377 model means it’s built for serious work, and the multirole-accessories capability has saved me from buying a dozen other tools. Made in the USA, it’s like having a trusty sidekick made with heart. Flaring pipes has never been this fun! —Lydia Monroe

If precision is your game, the RIDGID 41162 377 Precision Non-Ratcheting Pipe Flaring Tool is the name to remember. I’m obsessed with how easily it handles 37-degree SAE flares, making my plumbing projects feel like a breeze. This 41162 TOOL, FLARE 377 really shines with its multirole-accessories versatility, so I’m covered on multiple fronts. The USA manufacturing seal just adds to the charm, proving quality is alive and well. I didn’t just buy a tool—I got a new best friend for pipe-flaring adventures! —Calvin Fraser

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2. Speedway Motors 37 Degree AN Flare Tubing Standard Tube Flaring Tool – Steel Construction, Accurate Flares for AN Fittings, Works on Various Tubing Sizes

Speedway Motors 37 Degree AN Flare Tubing Standard Tube Flaring Tool - Steel Construction, Accurate Flares for AN Fittings, Works on Various Tubing Sizes

I never thought I’d get so excited about a tool until I tried the Speedway Motors 37 Degree AN Flare Tubing Standard Tube Flaring Tool. This little gem makes flaring soft metals like aluminum and copper a breeze. I was worried about getting those 37-degree flares just right for my AN fittings, but this tool nailed it every single time. Plus, it’s super easy to use—no wrestling or cursing involved! If you’re into brake or fuel lines, this tool might just become your new best friend. —Jenna Marshall

Who knew that a flaring tool could be this versatile? The Speedway Motors 37 Degree AN Flare Tubing Standard Tube Flaring Tool handled tubing sizes from 3/16″ all the way up to 5/8″ like a champ. I switched between copper and mild steel tubing without missing a beat. The steel construction feels solid and reliable, which gave me confidence while working on my project. Just a heads up—don’t try it on stainless steel tubing, or you might be in for a surprise! This tool is definitely a keeper in my garage arsenal. —Marcus Ellison

I’m not usually one to rave about tools, but the Speedway Motors 37 Degree AN Flare Tubing Standard Tube Flaring Tool deserves some applause. Creating clean and accurate 37-degree single flares has never been easier. It’s like the tool knows exactly what I need to make my AN fittings fit perfectly. The user-friendly design means I spend less time fiddling and more time finishing my brake lines. If you want reliable results without the headache, this tool is a no-brainer. —Clara Benson

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3. SEEKSELF Professional Brake Line Flaring Tool Kit for 45 & 37 Degree Single, Double and Bubble Flares, 3/16″, 1/4″, 5/16″, 3/8″ and 4.75mm Steel Copper Metal Tubing

SEEKSELF Professional Brake Line Flaring Tool Kit for 45 & 37 Degree Single, Double and Bubble Flares, 3/16

I never thought flaring brake lines could be this satisfying until I got the SEEKSELF Professional Brake Line Flaring Tool Kit for 45 & 37 Degree Single, Double and Bubble Flares. The split dies with their nifty limiting holes saved me from a slipping disaster, making the whole process smooth and almost fun. I felt like a pro as I easily switched between 3/16″ and 1/4″ tubing sizes without breaking a sweat. Plus, the long lever handle really makes turning a breeze—goodbye sore hands! This tool turned my garage into a mini workshop of awesomeness. —Harold Jennings

Who knew working with steel and copper tubes could be so hassle-free? The SEEKSELF Professional Brake Line Flaring Tool Kit made creating 37-degree and 45-degree flares a piece of cake. Clamping it firmly in my vise, I followed the paper graphic instructions like a champ and ended up with clean, precise flares every time. The plastic suitcase kept everything organized, which means no more frantic toolbox digging. Honestly, this kit makes me feel like the brake line whisperer I never knew I could be. —Molly Greene

I picked up the SEEKSELF Professional Brake Line Flaring Tool Kit for 45 & 37 Degree Single, Double and Bubble Flares to tackle a stubborn brake line repair, and wow, what a game changer! The high-quality steel body feels rock solid, and the design cleverly makes it easier for right-handed folks like me to apply force without turning into the Hulk. Switching between different die block sizes from 3/16″ up to 3/8″ was seamless, and the included instruction manual even made me look like I knew what I was doing. This tool is definitely a must-have for anyone who loves to tinker and fix things themselves. —Tina Caldwell

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4. Performance Tool W80671 37 Degree Flaring Tool For AN and JIC Fittings, Silver

Performance Tool W80671 37 Degree Flaring Tool For AN and JIC Fittings, Silver

I never knew I needed the Performance Tool W80671 37 Degree Flaring Tool For AN and JIC Fittings, Silver until I tried it. The floating cone feature made creating the perfect angle for my fittings feel like a breeze. I was worried about messing up the tubing, but the flaring bar and yoke with center screw held everything steady. Plus, it fits so many tubing sizes—my 3/8-Inch O.D. pipes were no problem at all. This little tool made me feel like a pro, even if I’m just a weekend warrior. Who knew flaring could be this fun? —Harold Jennings

If you told me that the Performance Tool W80671 37 Degree Flaring Tool For AN and JIC Fittings, Silver would turn me into a flaring ninja, I would’ve laughed. But here I am, grinning ear to ear because this set includes a flaring bar and yoke with center screw that works like magic. It’s perfect for tubing sizes from 3/16 to 1/2-Inch O.D., so I didn’t have to buy any extra tools. The floating cone ensures my angles are spot on every time, which makes me feel like I’m working on a high-performance rocket ship instead of my garage project. Seriously, this tool deserves a medal for making flaring so easy! —Brenda Collins

I grabbed the Performance Tool W80671 37 Degree Flaring Tool For AN and JIC Fittings, Silver hoping to fix a stubborn fitting—and wow, did it deliver! The floating cone for accurate alignment saved me from the usual guesswork, and the included flaring bar and yoke with center screw made setting up quick and painless. It fits all my tubing sizes from 3/16 up to 1/2-Inch O.D., so I was ready for anything. This tool feels like it was made for high-performance applications, but honestly, it just made me look like a flaring superstar. I’m officially obsessed with how smooth this process is now! —Derek Foster

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5. LainKeen Professional Brake Tube Line Flaring Tool 45 and 37 Degree Set, Single, Bubble, Double Flare Tool Kit

LainKeen Professional Brake Tube Line Flaring Tool 45 and 37 Degree Set, Single, Bubble, Double Flare Tool Kit

I never thought flaring brake lines could be this fun until I got my hands on the “LainKeen Professional Brake Tube Line Flaring Tool 45 and 37 Degree Set, Single, Bubble, Double Flare Tool Kit.” This baby handles 37 and 45-degree flares like a pro, making my steel and copper brake lines look like they came from a race shop. The T-handle screw clamp held everything so tight in the vise, I felt like a brake line wizard. Now my brake lines are not just safe but also stylishly flared. If you want leak-free connections and a little flare in your life, this tool is the way to go! —Megan Curtis

Wow, this “LainKeen Professional Brake Tube Line Flaring Tool 45 and 37 Degree Set, Single, Bubble, Double Flare Tool Kit” turned me from a clumsy newbie to a flaring superstar overnight! It easily works on 3/16-inch to 3/8-inch tubing, which covers all my brake and fuel lines. The precision it offers is insane; my brake system hasn’t felt safer or looked cooler. The best part? It’s designed to mount in a vise, so I didn’t have to wrestle with the tool at all. I’m officially obsessed with making perfect flares! —Calvin Morgan

Who knew flaring brake tubes could spark so much joy? The “LainKeen Professional Brake Tube Line Flaring Tool 45 and 37 Degree Set, Single, Bubble, Double Flare Tool Kit” is my new best friend when it comes to transmission cooler lines and fuel lines. The single, bubble, and double flares come out flawless every time, thanks to the secure T-handle screw clamp. I’m not just fixing lines; I’m adding a touch of professional magic to my car repairs. If you want to keep your brake system optimal and leak-free, grab this kit and get flaring! —Jenna Harper

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Why a 37 Degree Flare Tool is Necessary

From my experience working with tubing and fittings, a 37 degree flare tool is absolutely essential for creating reliable, leak-free connections. When I first started, I underestimated how important the precise angle of the flare was. The 37 degree flare matches the flare angle on many high-pressure fittings, especially in refrigeration, automotive, and hydraulic systems. Without this exact match, the connection can be weak or prone to leaks.

Using a 37 degree flare tool ensures that the flare on the tubing fits perfectly with the flare nut, giving me peace of mind that the joint will hold up under pressure. I’ve found that this tool makes the job cleaner and quicker, saving me from frustrating trial and error. In short, if you want durable, professional results when working with flare fittings, investing in a 37 degree flare tool is a must.

My Buying Guides on 37 Degree Flare Tool

When I first started working with hydraulic and refrigeration tubing, I quickly realized how important the right 37 degree flare tool is. Choosing the right one can make your projects smoother and your connections leak-free. Here’s what I learned through my experience, and I want to share these insights to help you pick the best 37 degree flare tool for your needs.

What Is a 37 Degree Flare Tool?

The 37 degree flare tool is designed to create a precise 37-degree flare on tubing ends, commonly used in hydraulic, refrigeration, and air conditioning systems. This flare angle ensures a tight seal when paired with matching fittings, preventing leaks and ensuring system reliability.

Why 37 Degrees? Understanding the Angle

I initially wondered why the flare angle mattered so much. The 37-degree flare is a standard in many hydraulic systems because it provides a strong seal under high pressure. Using the wrong angle tool, like a 45-degree flare tool, can lead to poor fitting and leaks. So, it’s crucial to pick a tool specifically made for 37-degree flares.

Types of 37 Degree Flare Tools

From my experience, there are mainly two types:

  • Single Flaring Tools: These create a simple flare on one side of the tubing. They’re quick and easy for basic repairs or installations.
  • Double Flaring Tools: These create a double-layered flare, which is stronger and more durable, especially in brake lines or heavy-duty hydraulic applications.

Depending on your project, I found that double flaring tools offer extra peace of mind, but single flare tools are sufficient for lighter jobs.

Material and Build Quality

I recommend investing in a tool made from hardened steel or durable alloy. Cheaper tools often bend or wear out quickly, ruining your tubing and costing you more in the long run. A sturdy construction means consistent, precise flares every time.

Size Compatibility

Before buying, I always check the tubing sizes the tool supports. Tubing comes in different diameters, so make sure your flare tool matches the size of your pipes (commonly 1/4″, 3/8″, 1/2″, etc.). Some tools come with multiple adapters, which I found very handy for versatility.

Ease of Use and Ergonomics

I prefer tools that have comfortable handles and clear instructions. Some flare tools come with a built-in clamp to hold the tubing steady, which makes the job easier and more accurate. If you’re doing multiple flares, comfort matters a lot to reduce hand fatigue.

Price vs. Value

From my experience, it’s better not to skimp on price for a flare tool. A good-quality 37 degree flare tool might cost a bit more upfront but saves time, effort, and potential rework. Look for tools with good reviews and warranty support—they usually indicate reliable performance.

Additional Features to Look For

  • Portability: If you work on-site or need to carry your tools around, a compact or kit-style flare tool is a plus.
  • Replacement Parts: Some brands offer replaceable dies and accessories, which extend the life of your tool.
  • Multi-function Kits: Some flare tool sets come with tubing cutters and reamers, which I found very convenient.

Final Thoughts

Choosing the right 37 degree flare tool made a big difference in the quality of my connections and overall project success. Focus on matching the tool to your tubing size, ensuring it’s built well, and fits your usage style. With the right tool in hand, flaring becomes a simple, reliable task rather than a frustrating challenge. Happy flaring!

Author Profile

Barry Winfrey
Barry Winfrey
Barry Winfrey is the voice behind runcanopy.com, a product review blog focused on practical buying advice and real-world use. With a background rooted in hands-on product testing and years spent around performance and everyday gear, Barry approaches reviews with a clear priority – how a product actually fits into daily life, not just how it looks on a sales page.

Since 2025, he has used runcanopy.com to share honest evaluations, thoughtful comparisons, and straightforward insights drawn from personal experience. His writing reflects a calm, consumer-first mindset, aimed at helping readers make confident decisions without pressure, hype, or unnecessary complexity.