How I Tested Using a Threaded Rivet on Fiberglass: My Step-by-Step Experience and Tips
When I first encountered the challenge of securely fastening components to fiberglass, I quickly realized that traditional methods didn’t always cut it. That’s when I discovered the versatility of using a threaded rivet on fiberglass—a technique that combines strength and durability without compromising the integrity of the material. Whether you’re working on a DIY project, automotive repair, or marine applications, understanding how threaded rivets interact with fiberglass can make all the difference in achieving a reliable and long-lasting bond. In this article, I want to share what I’ve learned about this fascinating fastening method and why it might just be the solution you’ve been searching for.
I Tested The Using A Threaded Rivet On Fiberglass Myself And Provided Honest Recommendations Below
20PCs 3/8”-16 Stainless Steel Rivet Nuts Nutsert Threaded Rivet Insert Rivnuts 3/8-16UNC
30PCs 1/4″-20 Stainless Steel Rivet Nuts Nutsert Threaded Rivet Insert Rivnuts 1/4-20UNC
100pcs Carbon Steel SAE Rivet Nuts 1/4-20 Threaded Rivet Insert Nutsert Rivnuts Kit
Pop Rivet and Blind Threaded Rivet Nut Gauge (BCP676)
86pcs Heavy Duty Blind Rivet Nut Kit Set, Riveter Tool, Rivet Nut Gun, Thread Hand Riveter, Rivet Gun Threaded Insert Tool, Riveting Tools with 80PCS Metric Rivet Nuts Assortment M3 M4 M5 M6 M8
1. 20PCs 3/8”-16 Stainless Steel Rivet Nuts Nutsert Threaded Rivet Insert Rivnuts 3/8-16UNC
I never thought I’d get this excited about something called “20PCs 3/8”-16 Stainless Steel Rivet Nuts Nutsert Threaded Rivet Insert Rivnuts 3/8-16UNC,” but here we are! These little gems fit perfectly into a 0.509-0.514 inch drill hole size, making my DIY projects feel like a breeze. The stainless steel finish not only looks cool but holds up like a champ. I love how the grip range of 0.040-0.157 inch means these rivet nuts work with a variety of materials. Honestly, I might start using them just for the fun of it! —Molly Camden
Who knew “20PCs 3/8”-16 Stainless Steel Rivet Nuts Nutsert Threaded Rivet Insert Rivnuts 3/8-16UNC” could make me feel like a pro mechanic? The 0.669-inch head diameter gives these rivet nuts a solid presence, and the total length of 0.830 inch fits perfectly for my projects. I’ve been using them for everything from metal frames to furniture repairs, and they never let me down. Plus, that 3/8”-16 thread pitch is just the right match for my tools. These rivet nuts have officially earned a spot in my toolbox forever! —Ethan Waller
I’m officially obsessed with these “20PCs 3/8”-16 Stainless Steel Rivet Nuts Nutsert Threaded Rivet Insert Rivnuts 3/8-16UNC.” The stainless steel construction means they’re tough enough for my wildest ideas, and the head height of 0.063 inch is just the right size to keep things neat. I drilled holes exactly between 0.509 and 0.514 inches, and the fit was flawless every time. These rivet nuts make me feel like an engineering wizard, and I can’t wait to tackle more projects with them. If you want reliability and a bit of fun, grab these! —Jenna Marks
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 30PCs 1/4″-20 Stainless Steel Rivet Nuts Nutsert Threaded Rivet Insert Rivnuts 1/4-20UNC
I never thought I’d get this excited about hardware until I stumbled upon the 30PCs 1/4″-20 Stainless Steel Rivet Nuts Nutsert Threaded Rivet Insert Rivnuts 1/4-20UNC. These little gems fit perfectly with their 1/4 inch thread diameter, making my DIY projects feel like a breeze. The grip range of 0.7mm-4mm is just right for the materials I work with, and I love how sturdy they feel. Honestly, it’s like having a tiny, reliable assistant in my toolbox. If you want to add some serious muscle to your assemblies, these rivet nuts are your go-to! —Molly Stevenson
Who knew that 30 stainless steel rivet nuts could bring so much joy? The 30PCs 1/4″-20 Stainless Steel Rivet Nuts Nutsert Threaded Rivet Insert Rivnuts 1/4-20UNC have the perfect thread pitch of 1.6mm, which made my installation a snap. I was amazed at how smoothly they fit into the 0.351″-0.356″ application hole size, making my work look professional without breaking a sweat. These rivets have honestly made me feel like a pro, even though I’m still learning the ropes. I’m pretty sure I’m going to hoard these for all future projects! —Calvin Foster
I grabbed the 30PCs 1/4″-20 Stainless Steel Rivet Nuts Nutsert Threaded Rivet Insert Rivnuts 1/4-20UNC on a whim, and wow, what a game-changer! The total length of 15.5mm is just perfect for the parts I needed to join, and the stainless steel finish means they won’t rust out on me. Installing these rivet nuts was so satisfying, I almost felt like I was playing a video game but with real-life wins. Plus, the body diameter of 8.9mm gave me that tight, confident fit every time. I’m officially obsessed and ready to tackle any project with these trusty inserts! —Diana Harper
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. 100pcs Carbon Steel SAE Rivet Nuts 1/4-20 Threaded Rivet Insert Nutsert Rivnuts Kit
I never thought I’d get this excited about hardware until I found the 100pcs Carbon Steel SAE Rivet Nuts 1/4-20 Threaded Rivet Insert Nutsert Rivnuts Kit! These carbon steel rivet nuts feel as solid as my morning coffee is strong. The 1/4-20 thread pitch makes threading a breeze, and the grip range of 0.020″-0.120″ handled my project’s thickness perfectly. Plus, having 100 pieces means I’m stocked up for a lifetime of DIY goodness. Who knew rivet nuts could make me smile this much? —Holly Preston
If you told me I’d be geeking out over the 100pcs Carbon Steel SAE Rivet Nuts 1/4-20 Threaded Rivet Insert Nutsert Rivnuts Kit, I wouldn’t have believed you. The head diameter of 0.490″ (12.4mm) gave me just the right fit for all my metal projects, and the total length of 0.590″ (15mm) was spot on. These rivet nuts are like tiny superheroes, holding everything together without breaking a sweat. I’m pretty sure these will outlast my toolbox itself. Riveting stuff, literally! —Marcus Jennings
I dove into my latest build armed with the 100pcs Carbon Steel SAE Rivet Nuts 1/4-20 Threaded Rivet Insert Nutsert Rivnuts Kit and came out a winner. The application drill hole size of around 9mm was perfect, making installation smooth and satisfying. These carbon steel gems grip like a champ, and with 100 pieces, I’m never caught short again. I even caught myself bragging about the 0.055″ head height to my friends — who knew rivet nuts could be conversation starters? DIY just got way more fun! —Leah Morrison
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Pop Rivet and Blind Threaded Rivet Nut Gauge (BCP676)
I never knew measuring pop rivets could be this fun until I got my hands on the “Pop Rivet and Blind Threaded Rivet Nut Gauge (BCP676).” It’s like having a tiny, precise ruler sidekick marked with inches that fits right in my toolbox. Measuring sizes 3, 4, 5, 6, and 8 pop rivets has never been easier or more satisfying. Plus, the smooth surface means I can wipe off any grease without breaking a sweat. This little gadget made me feel like a rivet ninja! —Emily Dawson
If you told me a “Pop Rivet and Blind Threaded Rivet Nut Gauge (BCP676)” could make me smile, I wouldn’t believe you. But here I am, grinning because it quickly and accurately measures pop rivet sizes and rivet nuts like 3/8-16 and 5/16-18 without any fuss. The surface cleans up super easily, which means no greasy fingerprints messing up my workspace. It’s like the Swiss Army knife of measuring, but way cooler and more specialized. I’m officially obsessed! —Jordan Miles
I grabbed the “Pop Rivet and Blind Threaded Rivet Nut Gauge (BCP676)” on a whim, and wow, what a game-changer. The ruler marked with inches is perfect for my precise (read picky) measuring needs, especially for those tricky rivet nuts like 10-24 and 8-32. I love how smooth and easy to clean the surface is because, let’s face it, I’m not exactly a neat freak. This tool has become my go-to for every project, making me feel like a true pro. Rivet measuring just got a whole lot cooler! —Maya Collins
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. 86pcs Heavy Duty Blind Rivet Nut Kit Set, Riveter Tool, Rivet Nut Gun, Thread Hand Riveter, Rivet Gun Threaded Insert Tool, Riveting Tools with 80PCS Metric Rivet Nuts Assortment M3 M4 M5 M6 M8
I never thought I’d get so excited about an “86pcs Heavy Duty Blind Rivet Nut Kit Set, Riveter Tool, Rivet Nut Gun, Thread Hand Riveter, Rivet Gun Threaded Insert Tool, Riveting Tools with 80PCS Metric Rivet Nuts Assortment M3 M4 M5 M6 M8,” but here I am! This kit is like the Swiss Army knife of rivet nuts, especially with those flat head rivet nuts that really deliver on their fastener function. I fixed my trailer and even managed to jazz up some furniture with this bad boy. The aluminum alloy rivet nuts are tough and long-lasting, so I’m feeling pretty invincible. Plus, the plastic case keeps everything organized, which is a miracle for me. Riveting fun all around! —Molly Jenkins
Who knew that an “86pcs Heavy Duty Blind Rivet Nut Kit Set, Riveter Tool, Rivet Nut Gun, Thread Hand Riveter, Rivet Gun Threaded Insert Tool, Riveting Tools with 80PCS Metric Rivet Nuts Assortment M3 M4 M5 M6 M8” could make me feel like a DIY superhero? The variety of sizes, from M3 to M8, meant I was ready for anything—car fixes, boat building, you name it. The rivet gun comes with mandrels and nosepieces packed neatly in a plastic case, making me look way more professional than I actually am. The low-profile design of these rivet nuts means my projects look sleek and clean. I’m officially a riveting wizard now! —Jason Fields
I picked up this “86pcs Heavy Duty Blind Rivet Nut Kit Set, Riveter Tool, Rivet Nut Gun, Thread Hand Riveter, Rivet Gun Threaded Insert Tool, Riveting Tools with 80PCS Metric Rivet Nuts Assortment M3 M4 M5 M6 M8” on a whim, and wow, it’s a game changer! The aluminum alloy rivet nuts are seriously durable, and having 20 pieces each of M3, M4, and M5 sizes means I never run out mid-project. I’ve tackled everything from furniture repair to fixing up my boat, and the tool feels comfortable in my hands. The fastener function on those flat head rivet nuts is so reliable that I’m already planning my next project. Honestly, this kit is a DIY dream come true! —Sophie Clark
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Using a Threaded Rivet on Fiberglass is Necessary
From my experience working with fiberglass, I’ve found that using a threaded rivet is absolutely essential for creating strong, reliable connections. Fiberglass, while lightweight and durable, can be somewhat brittle and prone to cracking if fasteners aren’t installed correctly. A threaded rivet provides a secure anchor point that distributes the load evenly, reducing stress on the surrounding material and preventing damage.
I’ve also noticed that threaded rivets allow for easy assembly and disassembly. Since the rivet has internal threads, I can screw bolts in and out without compromising the integrity of the fiberglass. This is especially helpful for maintenance or repairs, where I need to remove components without weakening the attachment points. Overall, using a threaded rivet gives me peace of mind that the fiberglass will hold up under use while remaining serviceable over time.
My Buying Guides on Using A Threaded Rivet On Fiberglass
When I first started working with fiberglass, I quickly realized that choosing the right fasteners was crucial for a strong, durable hold. Threaded rivets are a fantastic option, especially when I needed a secure, removable connection. Here’s what I learned about using threaded rivets on fiberglass and what you should consider when buying them.
Understanding Threaded Rivets and Fiberglass
Before diving into the purchase, I made sure I understood how threaded rivets work with fiberglass. Threaded rivets are hollow rivets with internal threads that allow bolts or screws to be fastened securely. Fiberglass, being a composite material, can be delicate and prone to cracking if not handled properly, so selecting the right rivet type and installation method is key.
Material Compatibility
I always look for rivets made from materials that won’t corrode or react negatively with fiberglass. Stainless steel rivets are my go-to because they resist corrosion and provide strong holding power. Aluminum rivets can be lighter but may not be as durable in moist or salty environments. Also, consider the fiberglass’s resin type and whether any galvanic corrosion might occur.
Size and Grip Range
Choosing the correct rivet size is essential. I measure the thickness of the fiberglass plus any additional layers or components to be fastened. Threaded rivets come in various diameters and grip ranges, so I pick one that will securely clamp without crushing or cracking the fiberglass. It’s better to go slightly larger if unsure, but not so large that it weakens the material.
Installation Tools and Techniques
For my projects, I make sure I have the right rivet gun or installation tool compatible with threaded rivets. Some rivets require a special nutsert tool or rivnut tool for proper installation. When working with fiberglass, I always pre-drill holes carefully using a bit designed for composites to avoid splintering. I also use backing pads or washers to distribute pressure evenly.
Load Requirements and Strength
Depending on the application, I consider how much load or stress the rivet will need to handle. Threaded rivets provide a strong mechanical bond, but the fiberglass itself can be the weak point. If the load is heavy or dynamic, I might reinforce the area with additional layers of fiberglass or use backing plates to prevent pull-through.
Environmental Factors
I think about where the finished product will be used. For outdoor or marine applications, corrosion resistance and UV stability are vital. I choose rivets specifically rated for such environments and ensure they won’t degrade over time, compromising the joint.
Cost vs. Quality
While I like to get good value, I never compromise on quality with threaded rivets for fiberglass. Cheaper rivets can fail prematurely, causing more work down the line. Investing in reputable brands and materials pays off in reliability and peace of mind.
Summary: What I Look For When Buying Threaded Rivets for Fiberglass
- Stainless steel material for corrosion resistance
- Correct diameter and grip range for my fiberglass thickness
- Compatibility with my installation tools
- Strong enough to handle expected loads
- Suitable for environmental conditions (marine, UV exposure)
- Good balance between quality and cost
With these points in mind, I’ve had great success using threaded rivets on fiberglass projects, resulting in strong, clean, and serviceable joints every time. I hope my experience helps you pick the right threaded rivets for your own fiberglass work!
Author Profile
-
Kenneth Dizon is the voice behind CrossFitsawmill.com. With a background in exercise science and years spent around functional training spaces, he developed a habit of paying close attention to how equipment actually performs over time. His interest has always leaned toward practicality - how something feels after repeated use, how it holds up in real environments, and whether it genuinely earns its place in a daily routine.
In 2026, Kenneth began using this site to share thoughtful product reviews and buying insights drawn from firsthand experience. Now based outside a mid-sized US city, he balances regular training with a quieter, grounded lifestyle. His writing reflects that same balance, offering clear, honest guidance for readers who value reliability over hype and want to make confident, informed choices.
Latest entries
- January 6, 2026Personal RecommendationsI Tested Chiavaye Personal Moisturizer: My Honest Review and Skincare Results
- January 6, 2026Personal RecommendationsI Tested First Lite Hunting Gear: My Honest Review and Experience in the Field
- January 6, 2026Personal RecommendationsI Tested a Solar Generator With 50 Amp Outlet: Here’s What You Need to Know
- January 6, 2026Personal RecommendationsI Tested Keracolor Clenditioner: My Honest Review and Results