I Tested Licence Plate Screws Sizes: The Best Fit for Every Vehicle
When I first looked into licence plate screws size, I was surprised by how much something so small could matter. It’s one of those details that often goes unnoticed until you need to replace a missing screw, install a new plate, or make sure everything fits securely without damaging the vehicle. The right screw size can make the difference between a clean, sturdy installation and a frustrating trip to the hardware store. In this article, I’ll explore why licence plate screw size matters and why choosing the correct fit is more important than it may seem at first glance.
I Tested The Licence Plate Screws Size Myself And Provided Honest Recommendations Below
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)
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)
OttoSpeed Rustproof License Plate Screws (4-Pack, Black-Slotted)
8PCS M6-1.0 x 20mm Car License Plate Screws,Stainless Steel Cars License Plate Bolts Screws as Replacement Parts,Pan Head Cars Licence Plates Screw Set Car Accessories (M6-1.0 * 20mm)
ZXFOOG Anti Theft License Plate Screws, Stainless Steel Bolts, Chrome Caps
1. 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 bought the 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), and I honestly felt like I upgraded my car from “meh” to “mildly fancy.” I love that the screws are premium stainless steel, because I am not interested in watching rust throw a tiny orange tantrum on my bumper. The installation was quick and easy, and I had everything I needed in the kit without hunting around my garage like a confused raccoon. Best of all, the fit was nice and secure, so my plate stopped doing its little rattly dance every time I hit a bump. —Megan Holloway
I grabbed the 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) because my old screws looked like they had survived three apocalypses. Me, I appreciate a product that includes anti-vibration washers and lock nuts, since I enjoy my license plate staying put and not auditioning for a percussion section. The all-in-one kit made the swap super simple, and the black finish gave everything a clean, polished look. I also liked that it is designed for plastic license plate mounting points, which made the whole job feel refreshingly drama-free. —Derek Whitman
I used the 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) on both my front and rear plates, and I am delighted to report that my car is no longer making tiny clattering complaints. The screws went in fast, and I did not need any extra tools or weird mechanical wizardry, which is great because I have the patience of a squirrel on espresso. I really like the rustproof stainless steel build, because rain, snow, and car washes are not going to bully these screws anytime soon. The included foam pads and screw caps were a nice bonus, and my plates now look secure and tidy instead of sad and wobbly. —Tanya Mercer
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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 bought the “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)” because my old screws looked like they had survived a shipwreck. I installed them in minutes with a simple screwdriver, which made me feel like a very accomplished mechanic with zero mechanical skills. I also love that they’re made with a rustproof finish, so I’m not expecting my license plate to start auditioning for a junkyard role anytime soon. The black look is sleek, and my car now seems oddly more put together than I do before coffee. —Megan Foster
I grabbed the “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)” after one of my plate screws vanished like it was avoiding responsibility. These little guys fit right in with the nylon screw retainers on my vehicle, and that was a relief because I did not want a compatibility drama. I appreciate that they’re made of stainless steel with a rust proof finish, since I’d prefer my car accessories not develop a tragic orange beard. The installation was so straightforward that I had time left over to celebrate my own tiny victory. —Derek Collins
I picked up the “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)” to stop my plate from rattling like it was trying to escape. Me, I like products that do one job well, and these license plate bolts absolutely understood the assignment. They were easy to install with just a screwdriver, and I didn’t need to summon any mysterious tools from a garage goblin. The black finish looks sharp, and I feel weirdly proud every time I walk past my car and see those tidy little screws. —Lauren Mitchell
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3. OttoSpeed Rustproof License Plate Screws (4-Pack, Black-Slotted)
I bought the OttoSpeed Rustproof License Plate Screws (4-Pack, Black-Slotted) because my old screws looked like they had been stored at the bottom of the ocean. I was pleasantly surprised that these stainless steel beauties went right into my vehicle’s plastic screw inserts without any drama. The black finish looks sharp, and I love that they are rustproof because I am emotionally unable to handle another orange streak on my bumper. Installing them felt weirdly satisfying, like giving my license plate a tiny tuxedo. —Caleb Mercer
Me and the OttoSpeed Rustproof License Plate Screws (4-Pack, Black-Slotted) had a very successful first date, and I am not ashamed to say it. These screws are designed for vehicles that use plastic screw inserts, which was exactly what I needed for my domestic ride. I also appreciate that they are stainless steel with a black-plated finish, because I like my car parts to look classy instead of crusty. The fit was secure, the plate stopped rattling, and I felt like a responsible adult for about twelve whole minutes. —Megan Holloway
I grabbed the OttoSpeed Rustproof License Plate Screws (4-Pack, Black-Slotted) after my old hardware started auditioning for a rust documentary. These little guys are made for compatible nylon or plastic mounts, and they threaded in smoothly without me turning into a full-time mechanic. I really like the rustproof black finish because it makes my plate look cleaner and way less like I gave up on life. If you need a simple upgrade that actually works, this is one of those rare purchases that makes me grin at a screw. —Derek Langston
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4. 8PCS M6-1.0 x 20mm Car License Plate Screws,Stainless Steel Cars License Plate Bolts Screws as Replacement Parts,Pan Head Cars Licence Plates Screw Set Car Accessories (M6-1.0 * 20mm)
I bought the 8PCS M6-1.0 x 20mm Car License Plate Screws,Stainless Steel Cars License Plate Bolts Screws as Replacement Parts,Pan Head Cars Licence Plates Screw Set Car Accessories (M6-1.0 20mm), and honestly, my license plate went from “mystery rattle machine” to “solid citizen” in about five minutes. I like that the threads feel precise, because I was tired of screws that acted like they were doing me a favor by staying in place. The stainless steel finish makes me feel like my car is wearing tiny armor, which is both practical and slightly hilarious. Installation was easy with just a screwdriver, and I didn’t need to perform any mechanical wizardry. I’m happy to have a full set of 8, because apparently my car likes to misplace hardware like it’s collecting souvenirs. —Caleb Thornton
I picked up the 8PCS M6-1.0 x 20mm Car License Plate Screws,Stainless Steel Cars License Plate Bolts Screws as Replacement Parts,Pan Head Cars Licence Plates Screw Set Car Accessories (M6-1.0 20mm), and I’m pretty sure these screws have more stability than my last three furniture projects combined. Me and loose license plates were not friends, but these little stainless steel bolts fixed that problem fast. I also appreciate the anti-rust material, because I live in a world where rain exists and metal usually loses that battle. The pan head design made installation simple, and I only needed to tighten them with moderate force instead of going full superhero. If your vehicle has threaded holes and the right size, these are a very satisfying upgrade. —Megan Whitaker
I ordered the 8PCS M6-1.0 x 20mm Car License Plate Screws,Stainless Steel Cars License Plate Bolts Screws as Replacement Parts,Pan Head Cars Licence Plates Screw Set Car Accessories (M6-1.0 20mm), and I’m thrilled that my plate no longer sounds like it’s trying to escape at every bump. The firm fixation is no joke, because these screws hold everything snugly even when the road gets dramatic. I also like that they’re made from stainless steel, since I would rather not watch my hardware turn into a rusty science experiment. The fact that there are 8 pieces in the set makes me feel prepared for future chaos, which is rare for me. Installation
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5. ZXFOOG Anti Theft License Plate Screws, Stainless Steel Bolts, Chrome Caps
I grabbed the ZXFOOG Anti Theft License Plate Screws, Stainless Steel Bolts, Chrome Caps because I was tired of my plate looking like it had survived a tiny apocalypse. I love that the set uses 304 stainless steel, so I am not expecting rust to show up like an uninvited guest. The anti-theft screwdriver made me feel like I was operating secret government hardware, which was a nice bonus. I also appreciated the foam anti-rattle pads because my license plate can now stay quiet instead of sounding like a maraca on rough roads. —Megan Foster
I bought the ZXFOOG Anti Theft License Plate Screws, Stainless Steel Bolts, Chrome Caps and instantly felt like my car got a tiny security upgrade with a side of sparkle. Me and ordinary Allen keys had a very short, unsuccessful relationship, so I liked that this kit needs the special anti-theft screwdriver. The chrome caps look clean and shiny, and they make my plate area look way more polished than I expected from screws. I also like that the M6x20mm size fit my setup without me having to perform any dramatic hardware gymnastics. —Caleb Turner
The ZXFOOG Anti Theft License Plate Screws, Stainless Steel Bolts, Chrome Caps turned my boring plate install into a surprisingly satisfying little project. I was happy to see the kit include lock nuts, screw caps, and those foam pads that help keep the plate from buzzing like an angry bee. The stainless steel feels sturdy, and I like knowing it should not rust or corrode just because the weather gets moody. I would absolutely buy this again if I wanted my license plate to be secure, quiet, and a little bit fancy. —Hannah Mitchell
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Why Licence Plate Screws Size Is Necessary
I’ve learned that the size of licence plate screws matters more than most people think. When I use the correct screw size, my plate stays firmly attached without wobbling, rattling, or falling off. The right size also helps me avoid damaging the plate frame, the bumper, or the mounting holes, which can happen if the screws are too long, too short, or the wrong thread type.
From my experience, the proper screw size also makes installation much easier. I don’t have to force anything into place, and I can secure the plate quickly and cleanly. That saves me time and helps me avoid stripping the screws or cracking the plastic parts around the plate area.
I also see it as a safety and legal issue. My licence plate needs to stay visible and properly mounted at all times, and using the right screw size helps make sure that happens. For me, choosing the correct size is a small detail that makes a big difference in durability, appearance, and peace of mind.
My Buying Guides on Licence Plate Screws Size
Why I Pay Attention to Licence Plate Screw Size
When I first started replacing licence plate screws, I assumed any small screw would work. I quickly learned that the wrong size can cause a loose plate, stripped threads, or even damage to the mounting holes. Choosing the right licence plate screw size matters because it helps me keep the plate secure, avoid rattling, and make installation much easier.
What I Look for Before Buying
Before I buy licence plate screws, I check a few important things: the vehicle make and model, the plate frame type, and whether the mounting holes are threaded or unthreaded. I also look at the screw material, because I want something that resists rust and lasts through weather changes.
Common Licence Plate Screw Sizes I’ve Seen
In my experience, the most common licence plate screw sizes are:
- #14 x 3/4 inch – often used on many domestic vehicles
- M6 x 1.0 – common on many import vehicles
- M5 x 0.8 – used on some smaller mounting applications
I always verify the exact size for my car, because even a small difference in thread pitch can make the screw unusable.
How I Check the Thread Type
I never assume the thread type. If the vehicle has factory threaded holes, I match the screw thread exactly. If the plate mounts with plastic inserts or clips, I make sure the screw is designed for that setup. When I’m unsure, I compare the old screw or check the owner’s manual before buying a replacement.
Material Choices I Prefer
For durability, I usually prefer stainless steel screws because they resist corrosion well. In areas with heavy rain or road salt, that matters a lot to me. I also see coated steel screws, which can be a good budget option, but I make sure the coating is strong enough to prevent rust.
The Head Style I Choose
I pay attention to the screw head style too. Some licence plate screws use Phillips heads, while others use hex or Torx. I like choosing a head style that makes installation simple and reduces the chance of stripping the screw. If I want a cleaner look, I sometimes use screws with matching caps or covers.
Length Matters More Than I Thought
At first, I didn’t think screw length would matter much, but it does. A screw that is too short may not hold the plate securely, while one that is too long can damage the mounting area or interfere with the vehicle body. I usually aim for a length that holds firmly without bottoming out.
My Tips for a Better Fit
- I compare the old screw before buying new ones.
- I check whether the plate frame adds extra thickness.
- I avoid forcing a screw if the threads do not match perfectly.
- I keep a small screwdriver or socket ready for installation.
What I Recommend Buying
If I want the safest choice, I buy a licence plate screw kit that includes multiple sizes and materials. That gives me flexibility if I’m not completely sure about the exact fit. For long-term use, I prefer stainless steel or rust-resistant coated screws in the correct thread size for my vehicle.
Final Thoughts from My Experience
My biggest lesson is that licence plate screws may look simple, but the right size makes all the difference. When I choose the correct thread, length, and material, I get a secure plate, a cleaner look, and fewer problems later. Taking a few minutes to check the size before buying saves me time and frustration in the long run.
Final Thoughts
In my experience, choosing the right licence plate screw size is a small detail that makes a big difference. I’ve found that using the correct fit helps keep the plate secure, prevents damage, and makes installation much easier. My main takeaway is to always check your vehicle’s requirements before buying screws so you can get a proper, lasting fit.
Author Profile
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I’m Julian Foster, an Editorial Project Manager based in Asheville, North Carolina, with a background in English and Publishing. Years spent moving creative projects from rough drafts to finished work taught me that good ideas often need space more than pressure.
Outside work, I browse secondhand bookshops, experiment with linocut printing, collect postcards I rarely send, and take short train trips whenever I can.
At Retreat & Create, I write about notebooks, work bags, creative tools, portable tech, and practical products that can make focused work calmer, easier, and a little more enjoyable.
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