For most drivers, the Karuzka 3rd-Gen kit is the best overall because it combines rustproof stainless steel with a low-profile cap design that resists tampering without rattling. If you’re watching your budget, the Middrivr 4-set delivers nearly identical security at a lower cost, and the YALOK 304 stainless steel pack is the pick for those who want maximum corrosion resistance in harsh climates. The main tradeoffs in this category come down to cap design, thread compatibility (M6 vs self-tapping), and whether you need extra hardware like anti-rattle pads or frame-mounting bolts. Read on for the full breakdown of all 15 options.
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Key Takeaways
- The Karuzka 3rd-Gen stands out for its dual-layer cap that prevents both theft and vibration, a combination few competitors match.
- Middrivr offers the best price-to-security ratio, with tamper-proof heads that rival premium kits at a fraction of the cost.
- YALOK‘s 304 stainless steel is the only option that truly resists salt corrosion, making it the clear choice for coastal drivers.
- Self-tapping screws like the BGGTMO kit save installation time but risk stripping plastic bumpers, so they’re best for metal frames.
- Anti-rattle pads, found on the Aootf kit, are the single most effective upgrade for eliminating plate vibration on trucks and SUVs.
| Karuzka 3rd-Gen Anti-Theft License Plate Screws Kit |  | Best Overall | Material: 304 Stainless Steel | Thread Size: M6 (1/4″) | Screw Length: 20mm (3/4″) | VIEW ON AMAZON | See Our Full Breakdown |
| Middrivr 4-Set Anti-Theft License Plate Screw Kit |  | Best for Blacked-Out Aesthetics | Material: Stainless Steel | Finish: Black Oxide | Thread Size: M6 (1/4″) | VIEW ON AMAZON | See Our Full Breakdown |
| YALOK Anti-Theft License Plate Screws Kit (8-Pack) |  | Best Value for Standard Setups | Material: 304 Stainless Steel | Thread Size: M6 (1/4″) | Screw Length: 3/4″ (20mm) | VIEW ON AMAZON | See Our Full Breakdown |
| Anti Theft License Plate Screws with Chrome Caps |  | Best for Chrome Trim Vehicles | Material: 304 Stainless Steel | Thread Size: M6 (1/4″) | Screw Length: 3/4″ (20mm) | VIEW ON AMAZON | See Our Full Breakdown |
| Black License Plate Screws, Stainless Steel Anti Theft Hardware |  | Best for Durability and Fade Resistance | Material: 304 Stainless Steel | Thread Size: M6 | Screw Length: 20mm | VIEW ON AMAZON | See Our Full Breakdown |
| LivTee Anti-Theft License Plate Screws, M6, Black, 4-Pack |  | Best Minimalist Kit | Brand: LivTee | Material: 304 stainless steel | Finish: Black zinc plated | VIEW ON AMAZON | See Our Full Breakdown |
| BGGTMO Anti-Theft License Plate Screws Kit, Stainless Steel M6 Self-Tapping Hardware with Chrome Caps |  | Best All-in-One Kit | Thread Size: M6 (1/4 inch) | Length: 20mm (3/4 inch) | Material: Stainless Steel | VIEW ON AMAZON | See Our Full Breakdown |
| ZXFOOG Black Stainless Steel Anti-Theft License Plate Screws |  | Best for First-Time Installers | Material: 304 stainless steel | Finish: Black oxide | Fastener size: M6 x 20 mm (1/4 x 3/4 in) | VIEW ON AMAZON | See Our Full Breakdown |
| Anti-Theft Black License Plate Screws Kit – M6 Stainless Steel Security Bolts with Caps |  | Best for Versatile Fit | Brand: FBJTDQ | Material: 304 Stainless Steel | Color: Black | VIEW ON AMAZON | See Our Full Breakdown |
| FEAOXYO Anti-Theft License Plate Screw Kit, 8 Sets, Black Stainless Steel |  | Best for Multi-Vehicle Coverage | Material: 304 stainless steel | Finish: Black oxide | Screw size: 1/4 in × 20 mm (M6 × 20 mm) | VIEW ON AMAZON | See Our Full Breakdown |
| AOOTF Black Anti-Theft License Plate Screw Kit |  | Best Complete Kit | Material: 304 stainless steel screws; aluminum alloy valve stem caps | Finish: Electrophoretic black | Screw Size: M6 x 20 mm (1/4 x 3/4 in) | VIEW ON AMAZON | See Our Full Breakdown |
| Aootf Anti-Theft License Plate Screws, Stainless Steel with Black Caps and Anti-Rattle Pads |  | Best for Theft Deterrence | Material: Stainless Steel | Thread Size: M6 (1/4-14-3/4″) | Head Diameter: 3/8 inch | VIEW ON AMAZON | See Our Full Breakdown |
| Anti Theft License Plate Screws Kits for Securing Frames and Covers, M6 (1/4″) Tamper Proof Screws, Fastener Nut, Caps Cover for Front Rear Frame Holder Mounting – Black |  | Best for Frame and Cover Mounting | Material: 304 stainless steel, nylon inserts, zinc plating | Finish: Black zinc plated | Screw Size: M6 x 20mm (1/4 x 3/4″) | VIEW ON AMAZON | See Our Full Breakdown |
| WINUERK Anti-Theft Stainless Steel License Plate Screw Kit, M6 |  | Best for Mixed Mounting Needs | Material: 304 stainless steel | Thread Size: M6 | Screw Dimensions: 1/4 x 3/4 in (6 x 20 mm) | VIEW ON AMAZON | See Our Full Breakdown |
| Rustproof License Plate Screws (8-Pack, Black-Slotted) |  | Best for US Domestic Vehicles | Material: Stainless steel (alloy steel core) | Finish: Black zinc plated | Screw Size: 1/4-14 x 3/4″ self-tapping | VIEW ON AMAZON | See Our Full Breakdown |
| license plate security screw | Material | Thread Size | Head Style | Finish |
|---|---|---|---|---|
| Karuzka 3rd-Gen Anti-Theft Lic | 304 Stainless Steel | M6 (1/4") | Button Head | — |
| Middrivr 4-Set Anti-Theft Lice | Stainless Steel | M6 (1/4") | Hex | Black Oxide |
| YALOK Anti-Theft License Plate | 304 Stainless Steel | M6 (1/4") | Hex Button Head with Thimble | — |
| Anti Theft License Plate Screw | 304 Stainless Steel | M6 (1/4") | Button Head | Chrome |
| Black License Plate Screws | 304 Stainless Steel | M6 | Pan Head | — |
| LivTee Anti-Theft License Plat | 304 stainless steel | M6 (1/4 in. x 3/4 in.; M6 x 20 mm) | Flat | Black zinc plated |
| BGGTMO Anti-Theft License Plat | Stainless Steel | M6 (1/4 inch) | Hexagonal with Center Thimble | Chrome |
| ZXFOOG Black Stainless Steel A | 304 stainless steel | #6-32 | Pan, Torx button head | Black oxide |
| Anti-Theft Black License Plate | 304 Stainless Steel | M6 (1/4 inch) | — | — |
| FEAOXYO Anti-Theft License Pla | 304 stainless steel | 1/4 in-20 | — | Black oxide |
| AOOTF Black Anti-Theft License | 304 stainless steel screws; aluminum alloy valve stem caps | — | — | Electrophoretic black |
| Aootf Anti-Theft License Plate | Stainless Steel | M6 (1/4-14-3/4") | — | — |
| Anti Theft License Plate Screw | 304 stainless steel, nylon inserts, zinc plating | — | — | Black zinc plated |
| WINUERK Anti-Theft Stainless S | 304 stainless steel | M6 | — | — |
| Rustproof License Plate Screws | Stainless steel (alloy steel core) | — | 3/8" hex washer head | Black zinc plated |
More Details on Our Top Picks
Karuzka 3rd-Gen Anti-Theft License Plate Screws Kit
This kit stands out for its versatile finish options, offering both chrome and matte black caps to match diverse vehicle aesthetics. Unlike the Middrivr 4-Set, which is strictly black, Karuzka allows you to choose a look that complements your bumper rather than forcing a single style. The 304 stainless steel construction provides reliable corrosion resistance, while the included foam pads effectively dampen vibration noise. However, the specialized driver requirement means you must keep the tool in your glove box, or you risk being unable to remove the plates for registration renewals. It is a robust choice for drivers who want a factory-like appearance without compromising on security.
Pros:- Dual finish options (chrome and matte black) suit various vehicle colors
- High-grade 304 stainless steel resists rust and weather damage
- Includes foam pads to prevent plate rattling and paint scratches
- Comprehensive 35-piece kit includes all necessary mounting hardware
Cons:- Requires specific proprietary driver for installation and removal
- M6 thread size may not fit older vehicles requiring M4 screws
Best for: Owners of modern vehicles who want a clean, factory-matched appearance with the flexibility to choose between chrome or black finishes.
Not ideal for: Drivers who prefer standard tools, as losing the included specialized driver makes removal difficult.
- Material:304 Stainless Steel
- Thread Size:M6 (1/4″)
- Screw Length:20mm (3/4″)
- Head Style:Button Head
- Drive System:External Hex with Center Thimble
- Finish Options:Chrome and Matte Black Caps
- Total Pieces:35
Our verdict“This is the best choice for those who prioritize aesthetic flexibility and rust resistance in a single, complete kit.”
Middrivr 4-Set Anti-Theft License Plate Screw Kit
Designed specifically for vehicles with dark trim, this kit features black stainless steel hardware that blends seamlessly into matte or glossy black bumpers. Compared to the Karuzka kit, which offers chrome options, Middrivr commits fully to a stealthy look, making it ideal for modern trucks or SUVs. The hexagonal twist buckle design requires a specific wrench, adding a layer of security beyond standard Allen keys. While the build quality is high, the single-color limitation means it will look out of place on silver or white vehicles. It is a specialized pick for owners who have already customized their car’s exterior to be predominantly black.
Pros:- Uniform black finish integrates well with dark vehicle trim
- Stainless steel construction prevents corrosion despite the coating
- Includes shockproof pads to eliminate noise and protect paint
- Tamper-proof wrench required for removal deters casual theft
Cons:- Lacks color variety for non-black vehicles
- Specific wrench is required for any removal or adjustment
Best for: Owners of blacked-out vehicles or those who specifically want to hide the license plate hardware against dark bumpers.
Not ideal for: Owners of silver, white, or chrome-trimmed vehicles, as the black hardware will create a visual mismatch.
- Material:Stainless Steel
- Finish:Black Oxide
- Thread Size:M6 (1/4″)
- Fastener Size:M6 x 20mm
- Head Style:Hex
- Number of Sets:4
- Item Weight:0.05 kg
Our verdict“This kit is the ideal choice for drivers seeking a cohesive, stealthy look on black vehicles.”
YALOK Anti-Theft License Plate Screws Kit (8-Pack)
This 8-pack offers a straightforward, no-nonsense approach to license plate security. While it lacks the dual-finish versatility of the Karuzka kit, it provides essential tamper-proof protection at a competitive entry point. The 304 stainless steel ensures longevity, and the included specialized screwdriver is compact enough to store easily. However, some users may need to use the provided nylon plugs to adapt pre-drilled holes, which adds a step to installation. It is a solid, reliable option for drivers who want basic security without paying for extra aesthetic features or excessive piece counts found in larger kits.
Pros:- Cost-effective 8-screw pack covers front and rear plates
- Rust-resistant 304 stainless steel construction
- Includes all necessary tools and rattle-proof pads
- Compact design suits most standard license plate frames
Cons:- May require nylon plugs to adjust for some vehicle hole sizes
- Only available in black finish
Best for: Budget-conscious drivers who need a reliable, standard black security screw set for everyday vehicles.
Not ideal for: Those who want chrome options or kits that require no hole modification for installation.
- Material:304 Stainless Steel
- Thread Size:M6 (1/4″)
- Screw Length:3/4″ (20mm)
- Color:Black
- Quantity:8 Screws
- Head Style:Hex Button Head with Thimble
- Compatibility:Cars, Trucks, Motorcycles, Trailers
Our verdict“A dependable, economical choice for standard vehicles requiring basic anti-theft protection.”
Anti Theft License Plate Screws with Chrome Caps
This kit focuses on a high-gloss chrome finish, making it a strong competitor for vehicles with bright metal accents. Unlike the YALOK black set, these screws are designed to blend with chrome bumper guards or frames. The self-tapping and mechanical screw combination offers flexibility for different mounting points, such as plastic bumpers or metal brackets. However, the description indicates a somewhat generic branding approach, and the chrome caps may show fingerprints or dirt more readily than matte finishes. It is a practical pick for drivers who want their security hardware to disappear into the vehicle’s existing chrome styling.
Pros:- High-gloss chrome caps match factory chrome trim
- Includes both self-tapping and machine screws for versatility
- 304 stainless steel prevents rusting in wet conditions
- Foam pads included to reduce vibration and noise
Cons:- Chrome finish shows dirt and fingerprints easily
- Generic branding may imply less consistent quality control
Best for: Drivers with chrome bumpers, frames, or accents who want hardware that matches the metallic shine of their car.
Not ideal for: Owners of matte black or dark-colored vehicles, as the chrome caps will stand out prominently.
- Material:304 Stainless Steel
- Thread Size:M6 (1/4″)
- Screw Length:3/4″ (20mm)
- Head Style:Button Head
- Finish:Chrome
- Drive System:External Hex
- Screw Type:Self-Tapping & Mechanical
Our verdict“The ideal choice for vehicles with chrome accents that need security hardware to match the existing aesthetic.”
Black License Plate Screws, Stainless Steel Anti Theft Hardware
This kit distinguishes itself with an electrophoretic blackening process, which claims superior fade resistance compared to standard galvanized coatings. While it looks similar to the Middrivr kit, the manufacturing method suggests better long-term color retention under harsh sun exposure. The pan head design with a center thimble provides strong tamper resistance, though it requires the specific included wrench. It is a robust option for drivers in sunny climates who want to ensure their black hardware stays black rather than turning grey over time. The inclusion of nylon inserts also helps with fitting into pre-drilled holes without stripping the threads.
Pros:- Electrophoretic coating resists fading and peeling better than paint
- 304 stainless steel base ensures structural rust resistance
- Includes nylon inserts for secure fit in pre-drilled holes
- Matte black caps provide a low-profile, stealthy appearance
Cons:- Requires specific anti-theft wrench for removal
- Pan head design may not fit all license plate frame recesses
Best for: Drivers in sunny or harsh climates who want black hardware that resists fading and weathering over time.
Not ideal for: Those who prefer chrome finishes or who want to avoid using a specialized proprietary wrench.
- Material:304 Stainless Steel
- Thread Size:M6
- Screw Length:20mm
- Head Style:Pan Head
- Finish Process:Electrophoretic Blackening
- Color:Matte Black
- Includes:Nylon Inserts, Wrench, Caps
Our verdict“A durable, fade-resistant option for black vehicles that need long-lasting, low-maintenance security hardware.”
LivTee Anti-Theft License Plate Screws, M6, Black, 4-Pack
For drivers who only need to secure a single plate, the LivTee set keeps things straightforward. It includes four M6 stainless steel screws, foam pads, washers, covers, and a tamper-resistant wrench. Compared with the BGGTMO kit, which ships 58 pieces, LivTee strips away extras to focus on the essentials. The 304 stainless steel with black zinc plating holds up against road salt and rain, and the foam pads do a decent job of silencing vibration. The catch is that you’ll need that included wrench for any future removal — a standard socket won’t fit. Also, since it’s only a 4-pack, you’ll need two sets if you want to secure both front and rear plates. For a basic, no-fuss upgrade over factory screws, this works, but it lacks the extra hardware that multi-vehicle households might want.
Pros:- Rust-resistant 304 stainless steel with black zinc plating
- Includes tamper-resistant wrench and all mounting accessories
- Foam pads help reduce vibration and noise
- Compact, easy-to-store package
Cons:- Only 4 screws — not enough for front and rear plates without a second set
- Requires the proprietary wrench for installation and removal
- No extra hardware for multiple vehicles
Best for: Single-vehicle owners who want a simple anti-theft upgrade without extra parts.
Not ideal for: Anyone needing to secure two plates at once or who prefers using standard tools.
- Brand:LivTee
- Material:304 stainless steel
- Finish:Black zinc plated
- Thread size:M6 (1/4 in. x 3/4 in.; M6 x 20 mm)
- Head style:Flat
- Drive system:Anti-theft socket
- Pack size:4 screws
- Included accessories:4 foam pads, 4 washers, 4 screw covers, 4 nylon inserts, and a special wrench
Our verdict“A clean, minimal choice for securing one plate, but not the best value for multi-plate setups.”
BGGTMO Anti-Theft License Plate Screws Kit, Stainless Steel M6 Self-Tapping Hardware with Chrome Caps
The BGGTMO kit is the most generous package in this lineup, with 58 pieces covering eight screws, chrome caps, gaskets, and anti-rattle foam. That breadth makes it a strong pick if you want spares or need to outfit multiple vehicles. The hexagonal heads with a center thimble require the included M6 anti-theft driver, which is a common pattern across many security kits. Compared with the LivTee’s basic 4-pack, this one gives you twice the screws and a lot more flexibility. The high-gloss chrome caps give a polished look, though they’re plastic and may not match every vehicle’s trim. The self-tapping threads work well on factory holes, but if your plate mount has machine-threaded inserts, you’ll want to verify fit. For the money, you get a complete solution, but the plastic caps feel less premium than the black oxide finishes on other kits.
Pros:- Comprehensive 58-piece kit with 8 screws for two plates
- High-gloss chrome caps for a sleek appearance
- Anti-rattle foam pads included
- High-grade stainless steel resists rust and corrosion
Cons:- Plastic chrome caps may not match all vehicle aesthetics
- Requires the specific anti-theft driver for removal
- Self-tapping threads may not fit machine-threaded mounts
Best for: Owners who want a full hardware kit with spares, especially for multiple vehicles.
Not ideal for: Those who prefer a matte black finish or need machine bolts instead of self-tapping screws.
- Thread Size:M6 (1/4 inch)
- Length:20mm (3/4 inch)
- Material:Stainless Steel
- Finish:Chrome
- Head Style:Hexagonal with Center Thimble
- Total Pieces:58
- Screw Count:8
- Item Dimensions:8 x 6 x 0.3 inches
Our verdict“The most complete kit here, ideal for anyone who wants spare hardware and a polished appearance.”
ZXFOOG Black Stainless Steel Anti-Theft License Plate Screws
What sets the ZXFOOG kit apart is the included screwdriver and the Torx button-head design, which makes installation more approachable than the hex-with-pin systems on the BGGTMO or LivTee. The black oxide finish on 304 stainless steel resists corrosion and blends with most dark trim. The adhesive-backed pads are easy to position and do a good job preventing rattles and paint scratches. However, the Torx head is a common security pattern, so it’s not as theft-deterrent as some proprietary designs — a determined thief with a Torx set could remove them. Also, the screws are specifically sized for nylon or plastic retainers; if your vehicle uses machine-threaded holes, you’ll need a different type. For a first-timer who wants a straightforward install without hunting for tools, this kit is a solid entry point, but it sacrifices some security for convenience.
Pros:- Includes a screwdriver, so no extra tools needed
- Torx button head is easy to drive and align
- Black oxide stainless steel resists corrosion
- Anti-rattle pads protect paint and reduce noise
Cons:- Torx is less secure than pin-based proprietary designs
- Compatibility depends on the vehicle’s original screw type and mounting holes
- No spare screws or extra hardware for multiple plates
Best for: DIYers who want an easy install with the right tool included and don’t need maximum theft deterrence.
Not ideal for: Those who need machine bolts or want a proprietary security pattern that’s harder to defeat.
- Material:304 stainless steel
- Finish:Black oxide
- Fastener size:M6 x 20 mm (1/4 x 3/4 in)
- Thread size:#6-32
- Head style:Pan, Torx button head
- Compatible groove diameter:6 mm
- Item weight:0.08 kg
- Included components:Screws, caps, nylon inserts, screwdriver, rattle-proof pads
Our verdict“A user-friendly kit for quick installation, but not the strongest deterrent.”
Anti-Theft Black License Plate Screws Kit – M6 Stainless Steel Security Bolts with Caps
This 32-piece kit from FBJTDQ stands out because it includes both self-tapping screws and machine bolts, covering a wider range of vehicle mounts than most competitors. The 304 stainless steel with black oxidation finish resists rust and looks cohesive on dark plates. The hexagonal button pan heads with a central pin require the included screwdriver, and the anti-rattle pads protect paint. Compared with the ZXFOOG kit, which only offers Torx screws, this one gives you the option to match your vehicle’s existing thread type. The tradeoff is that you need to verify which screw type your plate mount uses before installing, and the proprietary pin head means you must keep the special tool handy. For someone with multiple vehicles or an older truck with unusual mounting, this flexibility is a real advantage.
Pros:- Includes both self-tapping screws and machine bolts for broad compatibility
- 304 stainless steel with black oxidation finish resists rust
- Anti-rattle pads prevent noise and paint scratches
- Comprehensive 32-piece set with tools and hardware
Cons:- Must identify the correct screw type for your vehicle before installing
- Proprietary pin head requires the included special tool for removal
- Bulkier kit than minimal options, with more parts to manage
Best for: Owners of multiple vehicles with different mounting types, or those who want both screw options in one kit.
Not ideal for: Those who prefer a single, simple screw type and don’t need the extra hardware.
- Brand:FBJTDQ
- Material:304 Stainless Steel
- Color:Black
- Thread Size:M6 (1/4 inch)
- Screw Length:20mm
- Head Diameter:10.4mm
- Fastener Type:Self-tapping screws and machine bolts
- Set Contents:Screws, caps, nuts, nylon inserts, screwdriver, anti-rattle pads
- Compatibility:Cars, trucks, trailers, motorcycles
Our verdict“The most adaptable kit for varied mounting systems, but requires a bit more attention during install.”
FEAOXYO Anti-Theft License Plate Screw Kit, 8 Sets, Black Stainless Steel
With eight complete sets, the FEAOXYO kit is designed for households with several cars, bikes, or SUVs. Each set includes screws, nuts, washers, caps, and a foam spacer, so you can secure multiple plates without buying additional kits. The black oxide 304 stainless steel resists corrosion, and the security Torx drive is a step up from standard Phillips but not as proprietary as the pin-head designs on the FBJTDQ or BGGTMO. The included screwdriver works for all eight sets, and the foam pads reduce rattle. The main drawback is that you need to check fitment carefully — the 1/4 in-20 thread size may not match every vehicle, and the security Torx is a common pattern that a prepared thief could defeat. For multi-vehicle owners who want a single purchase to cover everything, this is a practical choice, though it lacks the premium feel of chrome or the versatility of mixed screw types.
Pros:- Eight sets cover multiple plates in one purchase
- Includes nuts and washers for a complete install
- Foam spacers prevent rattling and protect paint
- Black oxide stainless steel resists corrosion
Cons:- Common Torx pattern is less secure than proprietary pin designs
- Fitment must be verified — 1/4 in-20 may not match all vehicles
- No mixed screw types for unusual mounts
Best for: Households with multiple vehicles needing a bulk supply of anti-theft screws.
Not ideal for: Those who want a proprietary security pattern or need machine bolts for specific mounts.
- Material:304 stainless steel
- Finish:Black oxide
- Screw size:1/4 in × 20 mm (M6 × 20 mm)
- Thread size:1/4 in-20
- Drive system:Security Torx
- Included components:Screws/bolts, nuts, screwdriver, caps, washers, foam spacers
- Set quantity:8 sets
- Brand:FEAOXYO
Our verdict“A practical bulk option for securing several vehicles, but not the most theft-proof or versatile.”
AOOTF Black Anti-Theft License Plate Screw Kit
When you want everything in one box, this AOOTF kit stands out for its extras. Unlike the Aootf 6-lobe set, which focuses purely on security, this package throws in valve stem caps, four inserts, four nuts, and foam pads for both front and rear plates. The 304 stainless steel screws with an electrophoretic black finish resist rust better than the black zinc plating on the LivTee-style kits. The tradeoff is that the center-pin hex head requires the included security wrench for removal, so you must keep that wrench accessible. For a first-time installer who wants a single purchase that covers multiple vehicles or mounting styles, this is the most complete option here.
Pros:- Tamper-resistant center-pin hex design
- Rust-resistant 304 stainless steel with black electrophoretic finish
- Foam pads reduce rattling and protect paint
- Includes valve stem caps and full mounting hardware
Cons:- Requires the included security wrench for removal
- Compatibility may vary by vehicle and mounting hardware
Best for: DIYers who want a single kit with all hardware for front and rear plates plus extra valve stem caps
Not ideal for: Minimalists who only need four screws and prefer a simpler package
- Material:304 stainless steel screws; aluminum alloy valve stem caps
- Finish:Electrophoretic black
- Screw Size:M6 x 20 mm (1/4 x 3/4 in)
- Included:8 screws, 2 wrenches, 4 inserts, 4 nuts, 8 screw caps, 8 foam pads, 4 valve stem caps
- Compatible Vehicles:Many cars, trucks, SUVs, and motorcycles
Our verdict“Buy this if you want the most complete, all-in-one anti-theft screw kit for multiple vehicles or mounting scenarios.”
Aootf Anti-Theft License Plate Screws, Stainless Steel with Black Caps and Anti-Rattle Pads
This Aootf set takes security seriously with a proprietary 6-lobe driver bit and security pin that makes removal without the matching tool nearly impossible. Compared with the AOOTF kit’s center-pin hex, this design offers a higher barrier against casual theft, but it also means you must keep the proprietary bit handy—losing it turns a simple plate swap into a hassle. The 100% stainless steel construction and oversized shockproof pads protect paint and eliminate rattle, matching the anti-rattle quality of the WINUERK kit. However, it only includes four screws, so for a standard two-plate vehicle you’ll need to buy two sets. That’s the price of maximum security.
Pros:- High security with proprietary 6-lobe driver bit
- 100% stainless steel resists rust and corrosion
- Oversized shockproof pads eliminate rattling and protect paint
- Premium black caps are thicker and more durable than standard plastic
Cons:- Only includes 4 screws (need two sets for most vehicles)
- Requires proprietary driver bit for installation and removal
Best for: Owners in high-theft areas who want maximum deterrence and don’t mind buying two sets
Not ideal for: Budget-focused buyers who need eight screws in one purchase
- Material:Stainless Steel
- Thread Size:M6 (1/4-14-3/4″)
- Head Diameter:3/8 inch
- Item Weight:1.6 ounces
- Item Dimensions:6 x 5 x 0.2 inches
- Number of Pieces:4 screws, 4 caps, 8 pads
- Security Feature:6-lobe driver bit with security pin
Our verdict“Choose this for the strongest theft deterrent, even if it means buying a second set for a two-plate vehicle.”
Anti Theft License Plate Screws Kits for Securing Frames and Covers, M6 (1/4″) Tamper Proof Screws, Fastener Nut, Caps Cover for Front Rear Frame Holder Mounting – Black
This kit is explicitly designed for mounting license plate frames and covers, and it shows in the included nylon inserts and black zinc plated finish that resists tarnish. The plum-shaped special wrench is different from the standard hex wrench on the AOOTF kit, offering a distinct security profile. The 304 stainless steel screws are heavy-duty, and the foam pads keep vibration down—similar to the WINUERK kit’s approach. The tradeoff is that the black zinc plating isn’t as corrosion-resistant as the electrophoretic black finish on the AOOTF screws, so in harsh salt-belt winters you might see more wear. For someone who wants a dedicated frame-mounting solution with extra washers and inserts, this is a solid pick.
Pros:- Includes nylon inserts and washers for frame mounting
- Plum-shaped wrench provides a unique security profile
- 304 stainless steel screws are sturdy and weather-resistant
- Foam pads prevent rattling and vibration noise
Cons:- Black zinc plating may wear faster than electrophoretic black
- Compatibility may vary for some import models
Best for: Car enthusiasts who mount aftermarket frames or covers and want a complete hardware set
Not ideal for: Drivers in snowy/salty regions who need maximum rust resistance
- Material:304 stainless steel, nylon inserts, zinc plating
- Finish:Black zinc plated
- Screw Size:M6 x 20mm (1/4 x 3/4″)
- Included:8 screws, 8 foam pads, 8 washers, 8 screw covers, 4 nylon inserts, 4 black nuts, 1 plum-shaped wrench
- Drive System:Plum-shaped special wrench (anti-theft)
- Compatibility:Fits most domestic cars and trucks
Our verdict“Get this if you’re mounting a plate frame or cover and want a complete, tamper-resistant hardware set with extra inserts.”
WINUERK Anti-Theft Stainless Steel License Plate Screw Kit, M6
The WINUERK kit earns its place by including both mechanical screws and self-tapping screws, which is rare among these options. That makes it the go-to choice if you’re mounting plates on different vehicles or dealing with both metal and plastic mounting points. The 304 stainless steel resists rust well, and the foam pads cut vibration noise just like the Aootf 6-lobe set. However, the specialty wrench is required for removal, and the fit can vary depending on your plate mount—so check compatibility before buying. Compared with the OttoSpeed screws, which are limited to nylon inserts, this kit offers more flexibility across car, motorcycle, and trailer applications.
Pros:- Includes both mechanical and self-tapping screws for different mounts
- 304 stainless steel resists rust and corrosion
- Foam pads reduce vibration noise
- Specialty tools included for installation
Cons:- Fit may vary by vehicle and license plate mount
- Requires the included specialty tool for removal
Best for: Multi-vehicle households or those switching between cars and trailers
Not ideal for: Owners of a single domestic car with plastic inserts—simpler options exist
- Material:304 stainless steel
- Thread Size:M6
- Screw Dimensions:1/4 x 3/4 in (6 x 20 mm)
- Item Weight:0.08 kg
- Compatibility:Most cars, motorcycles, trailers, and trucks
- Package Contents:4 mechanical screws, 4 self-tapping screws, 8 screw caps, 8 foam pads, 8 washers, 4 inserts, anti-theft screwdriver, specialty wrench
Our verdict“Pick this if you need a versatile kit that works across multiple vehicle types and mounting styles.”
Rustproof License Plate Screws (8-Pack, Black-Slotted)
If you drive a Ford, Chevy, Dodge, or Jeep with nylon or plastic screw retainers, this OttoSpeed 8-pack is the most straightforward choice. It’s explicitly not for imports with metal threaded holes, so you avoid the guessing game that comes with generic M6 kits like the WINUERK. The black zinc plated stainless steel resists rust streaks, and the slotted drive with a hex washer head gives you two removal options—though you’ll need a screwdriver or wrench, not a special security tool. That’s a tradeoff: you lose the anti-theft deterrent of the Aootf 6-lobe set, but you gain universal tool compatibility. For a simple, reliable replacement of dealership screws, this is it.
Pros:- Fits nylon or plastic screw retainers common in US domestic vehicles
- Rustproof black zinc plated stainless steel
- Slotted and hex drive allows use with common tools
- 8-pack covers front and rear plates in one purchase
Cons:- Not compatible with metal threaded mounting holes or Tesla rear plates
- No anti-theft security feature
Best for: Owners of US-brand vehicles with plastic inserts who want a simple, tool-friendly upgrade
Not ideal for: Import owners (Audi, BMW, VW) or anyone needing tamper-proof security
- Material:Stainless steel (alloy steel core)
- Finish:Black zinc plated
- Screw Size:1/4-14 x 3/4″ self-tapping
- Drive Type:Slotted and external hex
- Head Style:3/8″ hex washer head
- Pack Size:8 screws
- Compatibility:US domestic vehicles with nylon/plastic inserts; not for imports with metal threads
Our verdict“Buy this for a no-fuss, rust-resistant replacement screw set specifically for US domestic vehicles with plastic inserts.”
How We Picked
I evaluated each kit against five core criteria: material quality (stainless steel grade and rust resistance), tamper-resistance (head design and key requirement), ease of installation (self-tapping versus machine threads), fit compatibility (M6 vs 1/4-inch), and included extras like caps, anti-rattle pads, and mounting nuts. I also weighed overall value — not just the upfront cost, but whether the kit solves the common problems of plate theft, corrosion, and vibration without adding complexity.
Ranking logic prioritized kits that balance security with practicality. A screw that’s impossible to remove also frustrates the owner when a plate needs swapping, so I favored designs with a functional key or socket that still deters casual thieves. Kits with multiple pieces or additional hardware earned higher marks for versatility, while those with flimsy caps or ambiguous thread specs dropped in rank. The final order reflects what a typical buyer should choose based on their vehicle type, climate, and budget.
| license plate security screw | Finish |
|---|---|
| Karuzka 3rd-Gen Anti-Theft Lic | — |
| Middrivr 4-Set Anti-Theft Lice | Black Oxide |
| YALOK Anti-Theft License Plate | — |
| Anti Theft License Plate Screw | Chrome |
| Black License Plate Screws | — |
| LivTee Anti-Theft License Plat | Black zinc plated |
| BGGTMO Anti-Theft License Plat | Chrome |
| ZXFOOG Black Stainless Steel A | Black oxide |
| Anti-Theft Black License Plate | — |
| FEAOXYO Anti-Theft License Pla | Black oxide |
| AOOTF Black Anti-Theft License | Electrophoretic black |
| Aootf Anti-Theft License Plate | — |
| Anti Theft License Plate Screw | Black zinc plated |
| WINUERK Anti-Theft Stainless S | — |
| Rustproof License Plate Screws | Black zinc plated |
Factors to Consider When Choosing License Plate Security Screws
Beyond the individual reviews, there are a few broader considerations that separate a smart purchase from a regretful one. Here’s what to think about before you click buy.
Material and Corrosion Resistance
The stainless steel grade matters more than most buyers realize. 304 stainless steel contains more nickel and chromium than the cheaper 201 grade, which means it won’t pit or rust when exposed to road salt or sea air. If you live in a snowy state or near the coast, paying extra for a 304 kit like the YALOK is a sensible investment. For everyone else, standard stainless steel will hold up fine for years. Also check whether the caps are plated or solid metal — plated caps can chip and expose bare steel underneath, leading to ugly rust streaks down your plate.
Tamper-Proof Head Designs
Not all tamper-proof screws are created equal. Some use a simple pin-in-Torx design that a determined thief can defeat with a drill and extractor. Others, like the Karuzka 3rd-Gen, use a proprietary two-piece cap that spins freely when force is applied, making them genuinely difficult to remove. The tradeoff is that you’ll need to keep the special key handy — losing it turns a simple plate swap into a trip to the hardware store. If you rarely remove your plates, a more aggressive design is worth it. If you swap plates seasonally, look for a kit that includes a spare key or uses a standard socket size.
Thread Type and Fit
Most vehicles use M6-1.0 machine threads, but some trucks and older cars use 1/4-inch or self-tapping screws. Self-tapping screws cut their own threads into plastic bumpers, which is convenient but risky — over-tightening can strip the hole, leaving you with a loose plate. Machine screws with a proper nut are more secure, but they require access behind the bumper. Before buying, check your vehicle’s manual or look at the existing screws. A kit that includes both thread types, like the universal option from WINUERK, is the safest bet for households with multiple vehicles.
Caps and Anti-Rattle Pads
A loose plate is a common annoyance, and not all security screws solve it. Anti-rattle pads, like those included with the Aootf kit, are soft rubber or nylon washers that sit between the plate and the bumper, absorbing vibration. They’re especially useful on trucks and SUVs where the plate mounts on a tailgate or spare tire carrier. Caps serve a different purpose: they cover the screw head to prevent corrosion and make the plate look cleaner. But caps can crack or pop off in extreme cold, so look for ones that are molded onto the screw or secured with a retaining ring.
Kit Contents and Quantity
License plates typically need four screws, but some states require only two, and others have front and rear plates for a total of eight. Kits come in 4, 8, or even 12 pieces. Buying an 8-pack gives you spares for the inevitable dropped screw or stripped cap. Also check whether the kit includes the matching wrench or key — some budget kits force you to buy a separate driver. A few kits, like the FEAOXYO, bundle extra caps and anti-theft washers, which adds convenience without much extra cost.
Installation Considerations
Think about how you’ll install the screws. If you’re working in a tight space behind the bumper, a magnetic driver or a flexible extension helps. Self-tapping screws are easier to start but can be a pain if the hole is already threaded. For existing threaded holes, machine screws are the right choice. Also consider the tool needed for removal — a security Torx or hex key is fine, but a screw with a custom head might require a special bit that you’ll have to track down. If you’re not handy, a kit that includes clear instructions and a tool is worth the premium.
Frequently Asked Questions
Can I use these screws on a plastic bumper without damaging it?
Yes, but you need to choose the right thread type. Self-tapping screws can work on plastic if you drill a pilot hole first, but they can strip the hole if you over-tighten. Machine screws with a nut are safer because they don’t rely on the plastic for grip. If you’re mounting on a plastic bumper, look for a kit that includes anti-rattle pads or rubber washers — they distribute pressure and prevent cracks. The Aootf kit with its anti-rattle pads is a good example of a plastic-friendly option.
Do I need a special tool to install tamper-proof screws?
Most tamper-proof screws use a standard security Torx or hex socket, which you can buy at any auto parts store. Some premium kits, like the Karuzka 3rd-Gen, come with a proprietary key that’s included in the box. The key is usually small and easy to lose, so consider storing it in your glovebox. If you lose it, you might be able to use a screw extractor, but that’s a hassle. For this reason, I recommend kits that use a common socket size unless you’re confident you won’t misplace the tool.
What’s the difference between M6 and 1/4-inch screws?
M6 is a metric thread size (6mm diameter) and 1/4-inch is the imperial equivalent (about 6.35mm). They’re close but not interchangeable — an M6 screw will fit loosely in a 1/4-inch hole and vice versa. Most Japanese and European vehicles use M6, while many American trucks and older cars use 1/4-inch. Check your existing screws before ordering. Some kits, like the WINUERK, include both thread sizes, which is handy if you have multiple vehicles or aren’t sure what you need.
Will these screws fit my license plate frame?
Most license plate frames use the same mounting holes as the plate itself, so standard M6 or 1/4-inch screws will fit. However, some frames are thicker or have recessed holes that require longer screws. Check the screw length — most kits come with 12-16mm screws, which work for standard frames. If your frame is thicker than 10mm, look for a kit that specifies longer bolts. The kit labeled ‘for securing frames and covers’ in this roundup is designed specifically for that use case.
How do I remove the screws if I lose the key?
If you lose the proprietary key, you have a few options. A screw extractor kit can often grip the head and back it out, but it may damage the screw. Another method is to drill the head off and then use pliers to remove the remaining shank. For security Torx screws, a standard Torx bit can sometimes fit if you tap it in with a hammer. To avoid this situation, always keep the key in a known spot — many kits include a spare key or a key that fits a standard socket. If you’re worried, choose a kit with a common head design.
Conclusion
For most drivers, the Karuzka 3rd-Gen is the best overall pick because it nails the balance between tamper resistance, corrosion protection, and quiet operation. If you want the same level of security without spending extra, the Middrivr 4-set is the best value — it delivers tamper-proof heads and stainless steel at a price that undercuts most competitors. For those in coastal or snowy regions, the YALOK 304 stainless steel kit is the premium choice, offering the highest grade of corrosion resistance you’ll find in this roundup. Beginners should start with the LivTee 4-pack because it uses a standard security Torx head and includes clear instructions, making installation foolproof. If you have a specific need — like mounting on a plastic bumper, dealing with vibration, or securing a frame — the Aootf kit with anti-rattle pads and the frame-mounting kit are purpose-built solutions. No matter which you choose, upgrading to security screws is a small change that protects your plates and saves you from the headache of replacement.
