| Price | Negotiable |
| MOQ | 50000PCS |
| Delivery Time | 10-15 work days |
| Brand | guanbiao |
| Place of Origin | China |
| Certification | ISO, GB, BS, DIN, ANSI,JIS |
| Model Number | M5*20 |
| Packaging Details | Plastic bag 1 small box +outer carton +pallets |
| Payment Terms | T/T |
| Supply Ability | 10000PCS/day |
| Place of Origin | China | Size | M5*20 |
| Packaging Details | Plastic bag 1 small box +outer carton +pallets | Head shape | Flat head |
| Material | Stainless steel | Standard | ISO, GB, BS, DIN, ANSI,JIS, Non-standard |
| After-sales Service | We will follow up every customer and solve all your problems satisfied after sales | Model Number | M5*20 |
| Supply Ability | 10000PCS/day | Certification | ISO, GB, BS, DIN, ANSI,JIS |
| Surface treatment | Zn- Plated,Niplated,Passivated,Tin-plated,Sandblast and Anodize ,Polish,Electro | Brand Name | guanbiao |
| Payment Terms | T/T | Price | Negotiable |
| Delivery Time | 10-15 work days | Minimum Order Quantity | 50000PCS |
| Groove | PIN Torx | Package | Plastic bag 1 small box +outer carton +pallets |
Precision
Cold-Heading
Security
Screws
for
Tamper-Proof
Applications
Guanbiao
hardware
is
a
leading
manufacturer
of
high-strength
cold-headed
security
screws
and
custom
anti-tamper
fasteners,
engineered
to
deliver
unmatched
protection
against
theft,
vandalism,
and
unauthorized
access.
Utilizing
advanced
cold-forming
technology,
we
produce
durable,
precision-engineered
security
screws
tailored
to
your
exact
specifications.
Why
Choose
Our
Cold-Headed
Security
Screws?
✅
Superior
Strength
&
Durability
Cold-forming process enhances material density, ensuring higher tensile strength and resistance to shearing.
Available in hardened steel, stainless steel (A2/A4), and alloy materials for extreme environments.
✅ Tamper-Resistant Designs
Exclusive drive systems: Snake-eye, Pin-in-Torx, Tri-Groove, and One-Way heads.
Laser-etched serialization for traceability and anti-counterfeiting.
✅ Customization Flexibility
Full OEM/ODM support: Modify dimensions, threads, head styles, and coatings.
Prototype-to-mass production in 10-15 days with strict ISO 9001 quality control.
✅ Industry-Specific Solutions
Automotive: Secure license plates, EV batteries, and high-value components.
Renewable Energy: Protect solar panel mounts and wind turbine assemblies.
Public Infrastructure: Tamper-proof bolts for rail systems, bridges, and traffic signs.
| Parameter | Specifications |
|---|---|
| Material | Carbon Steel (Grade 8.8/10.9/12.9), Stainless Steel (A2-70/A4-80), Alloy Steel |
| Diameter | M1.5 to M24 (Custom Sizes Available) |
| Length | 2mm to 300mm |
| Head Styles | Pan Head, Flat Head, Hex Head, Button Head, Custom Designs |
| Drive Types | Snake-Eye, Pin-in-Hex, Tri-Wing, Spanner, One-Way, Torx® (TR/TX) |
| Thread Type | Metric, UNC, UNF, Custom Thread Pitch |
| Surface Treatment | Zinc Plated, Dacromet®, Black Oxide, Geomét® Coating, Passivation |
| Security Level | Grade 1-5 (Based on DIN/ISO 14579 Anti-Tamper Standards) |
| Certifications | ISO 9001, RoHS, REACH, ASTM A574, DIN 916, DIN933 |
| MOQ |
20,000
Pieces
(Custom
Orders) |



