Anti Theft License Plate Screws Rustproof Stainless Steel Car Tag Plate Mounting Hardware M6 1/4" Tamper Proof Screws For Front Rear Frame Holder Mounting
Keep Your License Plate Secure with High-Security Tamper-Resistant Screws
Tired of license plate theft or unauthorized removal? Our Anti-Theft License Plate Screws are designed to provide maximum security while ensuring durability against rust and corrosion. Made from high-grade stainless steel (304/316), these M6 (1/4") tamper-proof screws are the ultimate solution for securely mounting front and rear license plates on cars, trucks, motorcycles, and trailers.
Key Features & Benefits
✔ Anti-Theft & Tamper-Proof Design – Unique drive style (security hex, torx, or custom pattern) prevents easy removal without the matching tool.
✔ Rustproof Stainless Steel – Made from 304/316 stainless steel, resistant to corrosion, salt spray, and harsh weather conditions.
✔ Universal M6 (1/4") Size – Fits most standard license plate mounts, frames, and holders worldwide.
✔ Easy Installation – Includes matching security bits for hassle-free mounting.
✔ Durable & Long-Lasting – Will not strip, break, or corrode like cheap aluminum or zinc-plated screws.
✔ Legal Compliance – Helps prevent license plate theft, which is required in many states/countries.
The chemical composition of SUS304 is as follows:
| Standard | GB/T1220-1992 | Material Name | SUS304 | ||||||
| Chemical Test | CHEMICAL TESTING | ||||||||
| Instrument Name | Cu Direct-Read Spectrometer | ||||||||
| Element Name | C | Mn | Si | P | S | Ni | Mo | Cu | Cr |
| Standard Range | ≤0.025 | ≤1.78 | ≤0.3 | ≤0.027 | ≤0.02 | 8.00-10.5 | ≤0.13 | ≤1.96 | 17.00-19.00 |
| Physical Properties | tesile strength | elongation | hardness | ||||||
| Actual Value | 650N/mm | 40 | HRC14 | ||||||
The chemical composition of SUS316 is as follows:
| 316 Stainless Steel Chemical Composition Table | |||||||||
| Standard | JIS H3250-1992 | Test Sample Name | SUS316 | ||||||
| Chemical Test | CHEMICAL TESTING | ||||||||
| Instrument Name | tensile strength | ||||||||
| Element Name | (C) | (Mn) | (Si) | (P) | (S) | (Ni) | (Mo) | (Cu) | (Cr) |
| Specimen Composition | 0.08 | ≤2.00 | ≤1.00 | ≤0.045 | ≤0.030 | 10.00~14.00 | 2.00~3.00 | / | 6.00~18.00 |
| Physical Properties | tesilestrength | elongation | Yield Strength(Mpa) | ||||||
| Actual Values | 665N/mm | 40 | |||||||
The table above shows that the main difference between 304 and 316 lies in their nickel and chromium content, with 316 being slightly higher.
Applications
✅ Cars, Trucks, SUVs – Secure front and rear license plates.
✅ Motorcycles & Scooters – Prevent theft of small plates.
✅ Trailers & RVs – Protect plates from vibration and tampering.
✅ Commercial Fleets – Ideal for company vehicles that need extra security.
Why Choose Our Security Screws?
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.