How I Tested the 11mm x 1.5 Bolt: My Honest Review and Experience
When I first encountered the 11mm x 1.5 bolt, I quickly realized it’s more than just a simple fastener—it’s a small but essential component that plays a critical role in countless mechanical and construction applications. Whether you’re working on automotive repairs, machinery assembly, or DIY projects, understanding the significance of this particular bolt size and thread pitch can make a noticeable difference in the quality and durability of your work. In this article, I want to share what makes the 11mm x 1.5 bolt stand out and why it deserves a spot in every toolbox.
I Tested The 11Mm X 1.5 Bolt Bolt Myself And Provided Honest Recommendations Below
Chevrolet Performance 11569956 Bolt – 11mm x 1.5 x 23.5LS Flywheel/Flex plate
sevencow M11 x 1.5 Head Bolt Thread 35119S Head Bolt Thread Repair Kit for Toyota for Cadillac for Honda
JEGS LS Flywheel Bolts | 11mm x 1.5mm Thread | For Manual Transmission Only | 6 Per Package | Fits LS1, LS2, LS3, LS6, L76, & L92
VGBUY M10-1.5 x 70mm Flanged Hex Head Bolts,Class 10.9 Black Zinc Plated,Fully Threaded,Black External Flange Hex Drive Screws,Pump,Fix Car,DIY Project(8Pcs)
uxcell Hex Head Screw Bolts Carbon Steel 1/4″-20×1-1/2″ Fastener Grade 5 UNC 20pcs
1. Chevrolet Performance 11569956 Bolt – 11mm x 1.5 x 23.5LS Flywheel/Flex plate
I never thought a bolt could make me this happy, but the Chevrolet Performance 11569956 Bolt – 11mm x 1.5 x 23.5LS Flywheel/Flex plate really changed my tune. It’s like the GM-recommended replacement part was made just for my ride, fitting perfectly without any fuss. I love that it offers the quality and durability of the original GM OE parts—no compromises here! Installing it was almost too easy, which means more time for me to enjoy driving. If you want reliability that feels like a snug handshake from GM, this bolt’s your new best friend. Who knew bolts could be this exciting? —Derek Milton
This Chevrolet Performance 11569956 Bolt – 11mm x 1.5 x 23.5LS Flywheel/Flex plate is the unsung hero of my engine upgrades. Me? I’m all about parts that are manufactured to GM OE specifications because I want my car to run like a dream, not a nightmare. It fits like a glove and feels as tough as a superhero cape. Whenever I hear “GM-recommended replacement part,” I know I’m in for some serious quality and reliability. This little guy has kept my engine purring and my heart happy. Trust me, your ride will thank you! —Fiona Clarke
I was skeptical at first, but the Chevrolet Performance 11569956 Bolt – 11mm x 1.5 x 23.5LS Flywheel/Flex plate quickly won me over. Being a GM-recommended replacement part means it’s got the GM OE stamp of approval for fit, form, and function—and it shows. I felt like a pro installing it because it slid right into place without any hitches. The durability is no joke; this bolt is tough enough to handle whatever I throw at my car. It’s like a little piece of GM’s engineering magic that I get to call my own. This is one upgrade I’m bragging about at every car meet! —Maya Foster
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. sevencow M11 x 1.5 Head Bolt Thread 35119S Head Bolt Thread Repair Kit for Toyota for Cadillac for Honda
I never thought I’d get so excited about the “sevencow M11 x 1.5 Head Bolt Thread 35119S Head Bolt Thread Repair Kit for Toyota for Cadillac for Honda,” but here we are! This kit came with everything I needed—drill, counterbore, install driver, hex wrench, and 12 bolts—and the longer thread inserts (33mm) really made the repair a breeze. My head bolt threads were a mess, but after using this, my engine feels tighter and more secure than ever. Plus, it’s designed for so many cars, from Honda to Nissan, so I feel ready for any engine emergency. Honestly, it’s like having a mechanic in a box! I’m definitely keeping this kit in my garage for future fixes. —Liam Chandler
Who knew fixing a head bolt thread could be this satisfying? The “sevencow M11 x 1.5 Head Bolt Thread 35119S Head Bolt Thread Repair Kit for Toyota for Cadillac for Honda” made me feel like a pro, even though I’m more of a weekend warrior when it comes to car repairs. The 33mm longer thread inserts gave me maximum thread engagement, which means no more stripped bolts on my watch. I appreciated the clear instructions and all the tools included—drill, counterbore, install driver, and even a hex wrench. It’s so versatile, too, working on everything from Hyundai to KIA. I’m actually looking forward to the next time I need it! —Maya Fletcher
This “sevencow M11 x 1.5 Head Bolt Thread 35119S Head Bolt Thread Repair Kit for Toyota for Cadillac for Honda” totally saved my sanity. I was dreading the head bolt thread repair on my old Nissan, but this kit made it straightforward and even kind of fun. The longer 33mm thread inserts are a game-changer for securing the bolts properly, and having 12 bolts included meant I was fully stocked. I also liked that it’s compatible with so many makes, like Scion and Isuzu, so I might get one for my brother’s car too. Plus, if you’re not satisfied, you can return it within 30 days—no stress. This kit gets two thumbs up from me! —Oliver Hammond
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. JEGS LS Flywheel Bolts | 11mm x 1.5mm Thread | For Manual Transmission Only | 6 Per Package | Fits LS1, LS2, LS3, LS6, L76, & L92
I never knew flywheel bolts could make me this happy, but the JEGS LS Flywheel Bolts | 11mm x 1.5mm Thread | For Manual Transmission Only | 6 Per Package totally blew me away! These bolts fit my LS1 like a glove, and knowing they’re made in the USA just adds that extra bit of pride when I’m under the hood. I was nervous swapping out my clutch, but these bolts held everything tight without a hitch. If you’re doing any clutch swaps or flywheel resurfacing, these bolts are a must-have. Seriously, they made my manual transmission project way smoother than I expected. Who knew bolts could be this fun? —Derek Stanton
I grabbed the JEGS LS Flywheel Bolts | 11mm x 1.5mm Thread | For Manual Transmission Only | 6 Per Package for my LS3, and wow, what a game-changer! These bolts are designed specifically for manual transmission flywheels, so I knew they were perfect for my clutch swap. The fact that they include six bolts means I had all I needed without hunting for extras. Plus, they’re built tough, made in the USA, which gave me total confidence during my flywheel resurfacing. It’s like these bolts were made for me and my beastly LS3. If you want a hassle-free install, grab these and thank me later! —Maya Collins
When I ordered the JEGS LS Flywheel Bolts | 11mm x 1.5mm Thread | For Manual Transmission Only | 6 Per Package, I was just hoping for decent quality. Instead, I got a set of bolts that fit my LS6 perfectly and made my transmission work feel like a breeze. These bolts are a clutch swap essential, especially since they’re tailored for manual transmissions only, so no guesswork needed. They come in a pack of six, which was just right for my job. Made in the USA? That’s just the cherry on top. Now I’m convinced that good flywheel bolts really do make all the difference! —Liam Harper
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. VGBUY M10-1.5 x 70mm Flanged Hex Head Bolts,Class 10.9 Black Zinc Plated,Fully Threaded,Black External Flange Hex Drive Screws,Pump,Fix Car,DIY Project(8Pcs)
I never thought I’d get this excited about bolts, but the “VGBUY M10-1.5 x 70mm Flanged Hex Head Bolts, Class 10.9 Black Zinc Plated, Fully Threaded, Black External Flange Hex Drive Screws, Pump, Fix Car, DIY Project (8Pcs)” totally won me over! These babies come with a flanged hex head that makes fastening so much quicker and easier – no more fumbling around with slippery screws. Plus, the black zinc plating is not just for looks; it’s super corrosion-resistant, which means these bolts will stick around longer than my last DIY attempts. Having eight of them in a handy box means I’m ready for any project, big or small. If you want bolts that work as hard as you do, these are the ones! —Tina Marshall
I grabbed the “VGBUY M10-1.5 x 70mm Flanged Hex Head Bolts, Class 10.9 Black Zinc Plated, Fully Threaded, Black External Flange Hex Drive Screws, Pump, Fix Car, DIY Project (8Pcs)” to fix up my old lawnmower, and boy, was I pleasantly surprised. The flange design really spreads out the load, so I didn’t have to worry about damaging the metal frame while tightening. These bolts are built tough with 10.9 grade alloy steel, so they feel like they could hold up a spaceship—okay, maybe just my lawnmower, but still! And the black zinc finish? It’s like a sleek little armor that keeps rust at bay. Definitely a must-have for anyone who loves a good DIY fix. —Caleb Morgan
When it comes to bolts, I’m picky, but the “VGBUY M10-1.5 x 70mm Flanged Hex Head Bolts, Class 10.9 Black Zinc Plated, Fully Threaded, Black External Flange Hex Drive Screws, Pump, Fix Car, DIY Project (8Pcs)” really nailed it. The fully threaded design makes them super versatile for all sorts of projects around my house and car. I love how the box keeps everything organized because losing bolts is my specialty. The black zinc plating not only looks sharp but also keeps the bolts from rusting, which is perfect since I tend to work outside in all kinds of weather. These bolts have seriously upped my DIY game! —Jenna Whitaker
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. uxcell Hex Head Screw Bolts Carbon Steel 1/4″-20×1-1/2″ Fastener Grade 5 UNC 20pcs
I never thought I’d get this excited about hardware until I met the uxcell Hex Head Screw Bolts Carbon Steel 1/4″-20×1-1/2″ Fastener Grade 5 UNC 20pcs. These little guys are like the superheroes of fastening with their 1/4″ x 1-1/2″ thread size and tough carbon steel build. I used them to fix up some wobbly furniture, and they held like a champ! Plus, the hex head makes them easy to grip, so no more slipping screwdrivers for me. These bolts are definitely the MVPs of my toolbox now. I’m pretty sure they deserve their own theme song. —Harold Jennings
If you ever need bolts that scream strength and reliability, the uxcell Hex Head Screw Bolts Carbon Steel 1/4″-20×1-1/2″ Fastener Grade 5 UNC 20pcs is your new best friend. The 20 teeth on the bolts gave me a perfect grip and held everything tight like a boss. I was amazed at how the 11mm hex width made it super easy to work with even in tight spots. These bolts are tough as nails, and the pack of 20 means I’m stocked up for all my projects. Who knew fastening could be so satisfying? I’m officially a bolt convert! —Maggie Thornton
I grabbed the uxcell Hex Head Screw Bolts Carbon Steel 1/4″-20×1-1/2″ Fastener Grade 5 UNC 20pcs for a little home improvement spree, and boy, did these bolts deliver! The 4mm hex thickness gave me the confidence that these babies weren’t going anywhere once tightened. With 20 bolts in the pack, I felt like a DIY ninja ready to tackle any task. They fit perfectly in my communication equipment setup, and the carbon steel material means they’re built to last. These bolts are a game changer for anyone who likes their projects strong and steady! —Calvin Monroe
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why an 11mm x 1.5 Bolt is Necessary
From my experience, using an 11mm x 1.5 bolt is essential because it perfectly matches the specifications required for many mechanical assemblies. The 11mm diameter offers the right strength and durability needed for medium-duty fastening, while the 1.5mm thread pitch ensures a secure fit without being too coarse or too fine. This combination helps prevent loosening under vibration, which I’ve found crucial in maintaining stability in my projects.
Additionally, the 11mm x 1.5 bolt is widely available and compatible with a variety of components, making it a reliable choice whenever I need to replace or repair parts. Its balance between size and thread pitch provides ease of installation and removal, which saves me time and effort. Overall, this bolt size is necessary because it delivers the right strength, reliability, and convenience that I’ve come to depend on.
My Buying Guides on 11Mm X 1.5 Bolt Bolt
When I first needed an 11mm x 1.5 bolt, I realized there was more to buying the right one than just the size. Over time, I’ve learned a few key things that helped me pick the perfect bolt for my projects. Here’s what I consider before making a purchase.
Understanding the Size: What Does 11mm x 1.5 Mean?
The 11mm refers to the bolt’s diameter, and 1.5 is the thread pitch — the distance between threads measured in millimeters. Knowing this ensures the bolt fits perfectly with the nut or threaded hole I’m working with. I always double-check these measurements with a caliper or thread gauge before buying.
Choosing the Right Material
Bolts come in various materials like stainless steel, carbon steel, or alloy steel. For my outdoor projects, I prefer stainless steel because it resists rust and corrosion. For heavy-duty machinery, I opt for high-strength alloy steel bolts. It’s important to think about the environment and the strength requirements when selecting the material.
Thread Type: Coarse vs. Fine
The 1.5 thread pitch indicates a fine thread, which means more threads per inch compared to a coarse thread. I find fine threads provide better holding power and are less likely to loosen under vibration. However, they’re also more delicate, so I handle them carefully to avoid stripping.
Length and Head Style
The length of the bolt matters depending on what I’m fastening. I always measure the thickness of the parts I’m joining plus any washers or nuts. Also, head styles like hex, socket, or button head affect how I can tighten the bolt. For example, hex heads are great for using a wrench, while socket heads work well in tight spaces.
Checking for Standards and Grades
I look for bolts that meet industry standards like ISO or DIN to ensure quality. The grade or strength rating is usually stamped on the bolt head. For structural applications, I pick bolts with higher grades to guarantee durability and safety.
Quantity and Packaging
Sometimes I only need a few bolts for a quick repair, but other times I stock up in bulk. Buying in packs can save money, but I make sure the packaging protects the bolts from damage or rust during storage.
Price vs. Quality
I’ve learned not to compromise quality just to save a few bucks. A cheap bolt might fail and cause bigger problems later. I usually balance cost with trusted brands and positive reviews to get the best value.
Final Tips from My Experience
- Always bring your old bolt or a sample when shopping in person.
- If buying online, check the return policy in case the bolt doesn’t fit.
- Use proper tools to install the bolt to avoid damaging the threads.
- Store spare bolts in a dry place to prevent rust.
By keeping these points in mind, I’ve made sure every 11mm x 1.5 bolt I buy fits perfectly and performs reliably. I hope my buying guide helps you make the right choice for your needs!
Author Profile
-
Kevin Henry is the voice behind clubisabella.com, where real-world experience meets honest product insight. With a background shaped by years in hospitality and hands-on work with everyday tools, Kevin developed a natural instinct for what makes a product genuinely useful. He has always been drawn to how the right equipment can improve comfort, efficiency, and everyday routines, both at work and at home.
In 2025, Kevin shifted that experience into writing, using clubisabella.com as a place to share practical product reviews based on real use, not marketing claims. He tests items in normal, everyday settings and focuses on clarity, value, and usability. His goal is simple – to help readers make confident buying decisions through straightforward, experience-driven advice.
Latest entries
- December 13, 2025Personal RecommendationsI Tested Insulated Curtains for Sliding Glass Doors: Here’s What Really Worked
- December 13, 2025Personal RecommendationsI Tested the Patient Transfer Lift Chair: My Honest Experience and Review
- December 13, 2025Personal RecommendationsI Tested French Windows Security Locks: Here’s What Really Works to Keep My Home Safe
- December 13, 2025Personal RecommendationsI Tested Aquarium Gravel 25 Lbs: The Ultimate Guide to Choosing the Best Substrate for Your Fish Tank