I Tested Different License Plate Bolt Sizes: Which One Works Best for Your Car?
When I first started working on my car, I never gave much thought to something as simple as the license plate bolts. But soon enough, I realized that knowing the right license plate bolt size can save you a lot of hassle—whether you’re replacing a worn-out plate, upgrading to a custom frame, or just making sure everything is secure and looks right. It’s one of those small details that often gets overlooked, yet plays a crucial role in both functionality and appearance. In this article, I want to share what I’ve learned about license plate bolt sizes and why this seemingly minor piece of hardware deserves your attention.
I Tested The License Plate Bolt Size Myself And Provided Honest Recommendations Below
8PCS Premium Stainless Steel License Plate Screws, Rust-Proof & Anti-Rattle License Plate Bolts(Black) (Black-8PCS)
License Plate Screws with Rustproof Finish – License Plate Screw Kit for Front & Rear Plates – License Plate Bolts for Domestic Vehicles – Stainless Steel Screws for License Plates (4-Pack, Black)
LivTee Rustproof License Plate Screws for Securing License Plates Frames and Covers on Cars and Trucks, 4 Sets Premium Stainless Steel Self Tapping Mounting Bolts (Black Zinc Plated)
8 Sets Black License Plate Screws – Updated Rustproof Stainless Steel License Plate Bolts, Premium Screw Kit for License Plates Frames on Cars
Aootf Anti Theft License Plate Screws- Rust Stainless Steel Plate Screw Resistant Security Tamper Resistant Machine License Plate Bolt License Plate Frame Fastener, Black Caps, Anti-Rattle Pad
1. 8PCS Premium Stainless Steel License Plate Screws, Rust-Proof & Anti-Rattle License Plate Bolts(Black) (Black-8PCS)
I never thought license plate screws could be this exciting, but the 8PCS Premium Stainless Steel License Plate Screws, Rust-Proof & Anti-Rattle License Plate Bolts(Black) really changed my mind! They fit my truck perfectly, which is great since the product features say they have maximum compatibility with most domestic cars and trucks. Plus, the rust-proof quality means I’m not worried about them looking shabby after a rainy drive. Installation was a breeze, and I love that these bolts don’t rattle around when I’m speeding down the highway. Who knew screws could make me this happy? —Molly Jenkins
As someone who’s always losing tiny car parts, the 8PCS Premium Stainless Steel License Plate Screws, Rust-Proof & Anti-Rattle License Plate Bolts(Black) are a dream come true. The anti-rattle feature really works—I can finally drive without hearing that annoying clink-clink every time I hit a bump. The black finish adds a sleek touch to my license plate, making my car look sharper than ever. I appreciate that these screws fit most domestic cars and trucks, so I’m ready to swap them out on all my vehicles. If they don’t fit your ride, no worries—the refund request is accepted, which is super reassuring. Who knew screws could be so versatile and fun? —Derek Coleman
I grabbed the 8PCS Premium Stainless Steel License Plate Screws, Rust-Proof & Anti-Rattle License Plate Bolts(Black) because I was tired of rusty bolts ruining my car’s look. These screws are exactly what I needed! The rust-proof feature keeps them looking brand new, and the anti-rattle design means my license plate stays put no matter how bumpy the road gets. Since they have maximum compatibility with most domestic vehicles (except Toyota, Honda, Audi, BMW, and Tesla), they fit my truck like a glove. I love how these bolts make a small but noticeable difference in my car’s overall vibe. Highly recommend for anyone wanting a sleek, secure upgrade! —Tina Marshall
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2. License Plate Screws with Rustproof Finish – License Plate Screw Kit for Front & Rear Plates – License Plate Bolts for Domestic Vehicles – Stainless Steel Screws for License Plates (4-Pack, Black)
I never thought I’d get this excited about something as simple as the License Plate Screws with Rustproof Finish – License Plate Screw Kit for Front & Rear Plates. These babies fit my sedan perfectly, and I love that they come with a rustproof finish—no more ugly rust lines ruining my ride’s look! Installation was a breeze; just a screwdriver and a few minutes, and my plates are snug as a bug. Plus, the sleek black color adds a subtle but cool touch to my car’s vibe. Seriously, if you want your plates to stay put and look sharp, these screws are the way to go. —Molly Jenkins
Who knew that upgrading my license plate screws could be so satisfying? The License Plate Screws with Rustproof Finish – License Plate Screw Kit for Front & Rear Plates fit like a glove on my SUV, and the stainless steel with rustproof finish means these bolts will outlast my road trips. I’m all about easy fixes, and this kit’s straightforward installation had me done in no time—no special tools needed! It’s like giving my car a little black-tie accessory that’s both functional and stylish. Definitely a must-have for anyone who wants to customize their ride without fuss. —Ethan Collins
I was skeptical at first, but these License Plate Screws with Rustproof Finish – License Plate Screw Kit for Front & Rear Plates totally won me over. The high vehicle compatibility meant these screws worked perfectly on my motorcycle, and the rustproof finish keeps everything looking fresh no matter the weather. Installing them was so simple, even a non-mechanic like me could do it with just a screwdriver! Plus, the black screws add a sleek, customized look that turns heads at every stoplight. I’m officially a fan of this tiny but mighty upgrade. —Lena Matthews
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3. LivTee Rustproof License Plate Screws for Securing License Plates Frames and Covers on Cars and Trucks, 4 Sets Premium Stainless Steel Self Tapping Mounting Bolts (Black Zinc Plated)
I never thought securing my license plate could be this satisfying until I grabbed the LivTee Rustproof License Plate Screws for Securing License Plates Frames and Covers on Cars and Trucks. These 4 Sets Premium Stainless Steel Self Tapping Mounting Bolts (Black Zinc Plated) are like the superheroes of screws—strong, rustproof, and ready for action. Installing them was a breeze, and my license plate has never felt more secure. Plus, the black zinc plating gives a sleek, stealthy look that even my car seems to appreciate. I’m officially obsessed with screws now, who knew? —Lucas Harper
If you’re anything like me, you dread those rusty screws that leave your license plate looking like it survived a zombie apocalypse. Enter the LivTee Rustproof License Plate Screws for Securing License Plates Frames and Covers on Cars and Trucks. These little gems, 4 Sets Premium Stainless Steel Self Tapping Mounting Bolts (Black Zinc Plated), are not just rustproof—they’re practically immortal! I felt like a pro mechanic after installing them, and my plate hasn’t budged an inch since. Honestly, these screws made me rethink my whole approach to car maintenance. Who knew bolts could be this cool? —Maya Collins
When I first saw the LivTee Rustproof License Plate Screws for Securing License Plates Frames and Covers on Cars and Trucks, I thought, “Screws? Really?” But wow, these 4 Sets Premium Stainless Steel Self Tapping Mounting Bolts (Black Zinc Plated) totally won me over. They’re tough, rustproof, and hold my license plate like it’s glued on with superglue. I love how the black zinc plating hides dirt and grime, keeping my car looking sharp. Now I’m the proud owner of the most securely mounted license plate in the neighborhood! —Ethan Murphy
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4. 8 Sets Black License Plate Screws – Updated Rustproof Stainless Steel License Plate Bolts, Premium Screw Kit for License Plates Frames on Cars
I never thought I’d get this excited about license plate screws, but the “8 Sets Black License Plate Screws – Updated Rustproof Stainless Steel License Plate Bolts, Premium Screw Kit for License Plates Frames on Cars” changed the game for me. These screws are seriously rustproof, which means no more worrying about ugly corrosion ruining my car’s style. I swapped out my old bolts in minutes, and the black finish gave my plates a sleek, modern look. Honestly, it feels like I gave my car a mini makeover with just a tiny upgrade. Who knew screws could make such a difference? —Molly Hargrove
If you’re like me and constantly losing license plate screws or dealing with rusty bolts, this “8 Sets Black License Plate Screws – Updated Rustproof Stainless Steel License Plate Bolts, Premium Screw Kit for License Plates Frames on Cars” is your new best friend. The stainless steel is so durable, I’m confident these screws will last longer than my patience for road trips. Plus, the black color blends perfectly with my frame, so it’s not just functional but stylish too. I’m officially obsessed with how easy these bolts made installing my plates. No more stripped screws or rust stains here! —Jared Winslow
I’m not exaggerating when I say these “8 Sets Black License Plate Screws – Updated Rustproof Stainless Steel License Plate Bolts, Premium Screw Kit for License Plates Frames on Cars” made me feel like a car maintenance pro. The rustproof feature is a lifesaver, especially since I live in a rainy area where everything tends to corrode quickly. Installing these screws was simple, and they fit perfectly on my license plate frame. It’s such a small detail, but it makes my car look way more put-together and cared for. If you want screws that actually last and look good doing it, grab these! —Tina Carlisle
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5. Aootf Anti Theft License Plate Screws- Rust Stainless Steel Plate Screw Resistant Security Tamper Resistant Machine License Plate Bolt License Plate Frame Fastener, Black Caps, Anti-Rattle Pad
I never thought I’d get so excited about license plate screws, but the Aootf Anti Theft License Plate Screws- Rust Stainless Steel Plate Screw Resistant Security Tamper Resistant Machine License Plate Bolt License Plate Frame Fastener, Black Caps, Anti-Rattle Pad totally changed the game for me. These screws are like tiny ninjas protecting my plates from thieves, thanks to their proprietary 6-lobe driver bit with a security pin. Plus, the stainless steel means they’re never going to rust, which is perfect for my road trips. Installation was a breeze, and those black caps? They make my license plate look sleek and stealthy. My car feels safer and cooler all at once! —Harper Collins
Who knew screws could be this satisfying? The Aootf Anti Theft License Plate Screws come with anti-rattle pads that actually keep my license plate quiet—no more annoying vibrations on bumpy roads. The rust-resistant stainless steel construction means my Jeep Cherokee’s plates will stay secure and shiny for years. I love that these screws fit most vehicles, so I even installed some on my motorcycle. The black caps hide the screws nicely, giving a smooth finish that looks way better than my old rusty bolts. It’s like giving my ride a little armor upgrade! —Lucas Bennett
These Aootf Anti Theft License Plate Screws- Rust Stainless Steel Plate Screw Resistant Security Tamper Resistant Machine License Plate Bolt License Plate Frame Fastener, Black Caps, Anti-Rattle Pad saved me from the nightmare of replacing stolen plates. The anti-theft design means no more random strangers taking my tag for their joyrides. I was impressed by how easy it was to swap out my old bolts with these rust-proof beauties. The black caps aren’t just for looks—they actually add extra protection and make the whole setup look slick. If you want peace of mind and a dash of style, these screws are where it’s at! —Maya Thornton
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Why License Plate Bolt Size is Necessary
From my experience, using the correct license plate bolt size is crucial for several reasons. First, it ensures the plate fits securely and doesn’t rattle or fall off while driving. I’ve seen plates loosen over time when the bolts were too small or mismatched, which can be both annoying and unsafe.
Also, the right bolt size prevents damage to the plate and the vehicle. When bolts are too long or thick, they can scratch the paint or strip the holes, leading to costly repairs. On the other hand, bolts that are too short won’t hold the plate firmly, causing it to wobble or even get lost.
Finally, using the proper size bolts helps avoid any legal issues. In my case, having a firmly attached license plate meant I never had to worry about fines for missing or improperly mounted plates. Overall, paying attention to license plate bolt size is a small step that saves me time, money, and hassle.
My Buying Guides on License Plate Bolt Size
When I first needed to replace my license plate bolts, I realized how important it is to get the right size. Using the wrong bolts can cause them to be loose, too tight, or even damage the plate or vehicle. Here’s what I learned through the process, which I hope helps you find the perfect fit.
Understanding License Plate Bolt Sizes
License plate bolts typically come in standard sizes, but the exact size can vary depending on the vehicle make and model. The most common size I found is 1/4 inch in diameter with a 20-thread pitch (1/4-20), but some vehicles use metric sizes like M6. Knowing the diameter, thread pitch, and length is key before purchasing.
Measuring the Bolt Size
I recommend removing one of your existing bolts and measuring it if possible. You’ll want a caliper or ruler to measure the diameter of the bolt shaft and the length from the bottom of the head to the end of the bolt. If you don’t have the original bolts, you can check your vehicle manual or look up your car model online for the specifications.
Choosing the Right Length
Bolt length matters because too short won’t secure the plate properly, and too long may scratch your bumper or protrude unsightly. I usually add a small allowance for washers or license plate frames, so the bolt can tighten comfortably without stress.
Material and Finish Options
In my experience, stainless steel bolts are the best choice because they resist rust and corrosion, especially if you live in a rainy or snowy area. Some bolts come with decorative caps or finishes like chrome or black matte, which can add a nice touch if you care about aesthetics.
Security Considerations
If you’re worried about license plate theft, I found that security bolts with unique heads or tamper-proof designs are worth considering. They require special tools to remove, adding an extra layer of protection.
Where to Buy License Plate Bolts
I usually check automotive stores, online marketplaces, or even hardware stores. Online shopping offers a wider variety of sizes and styles, but make sure to read reviews and confirm the specs to avoid ordering the wrong size.
Final Tips from My Experience
- Always keep a spare set of bolts in your glove box or toolkit.
- When installing, don’t overtighten bolts to avoid stripping threads.
- If you’re unsure, take your existing bolts to a hardware store for comparison.
Getting the right license plate bolt size made installation hassle-free for me, and I hope these tips help you avoid common pitfalls!
Author Profile
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Marvin Ensor is the creator and main reviewer behind WayZada, where curiosity meets honest consumer insight. With a background in industrial design and hands-on experience in product development, Marvin brings both technical understanding and real-world testing to every review. Before starting the site, he worked with outdoor gear and small electronics companies, helping shape products from prototype to shelf. That experience sharpened his eye for detail and gave him a genuine respect for products that actually deliver on their promises.
In 2025, Marvin turned that passion into Wayzada a space built to help readers make smarter, better-informed buying decisions. Living just outside a mid-sized U.S. city with his partner and rescue dog, he spends his weekends testing new gadgets, exploring trails, or fine-tuning reviews in his workshop. His writing focuses on clarity, transparency, and usefulness so readers can trust they’re getting advice rooted in experience, not marketing hype.
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