Security Screws
Security Screws are specialized fasteners designed to prevent unauthorized tampering and removal, ensuring high-security fastening in sensitive applications. These screws feature unique head designs that require specialized tools for installation and removal, making them ideal for electronics, public infrastructure, transportation, correctional facilities, and defense applications.
At Rajal Industries, we manufacture precision-engineered security screws that conform to ISO standards and general security fastening specifications, ensuring maximum protection against tampering, durability, and secure installation.
Sizes & Standards
| Size Range | Standards |
|---|---|
| Diameters: M3 to M10 (Metric)Same as corresponding screw type | ISO 14583 – Standard for tamper-resistant screws |
| Metric & Imperial Sizes Available | General screw standards for industrial and security applications |
| Manufacturer-Specific Security Head Designs |
Material & Strength Grades
| Material Type | Available Strength Grades | Industry Standards |
|---|---|---|
| Carbon Steel & Mild Steel | 4.6, 5.6, 8.8 | ISO 14583, General Security Standards |
| Stainless Steel (Corrosion Resistant) | A2-70 (SS 304), A4-80 (SS 316) | ISO 3506 |
| Hardened Steel (Heat Treated) | Class 8.8, 10.9, 12.9 | ISO 14583, Security Fastening Standards |
- Heat-Treated for Maximum Security & Strength –Security screws undergo hardening to resist forced removal and tampering.
- Load Ratings Based on Material & Application:
- Carbon Steel Class 8.8 Security Screw: 800-900 MPa tensile strength
- ⦁ Stainless Steel A4-80 Security Screw: 700-800 MPa corrosion-resistant strength
Head & Drive Design Specifications
Tamper-Resistant Head Designs for Maximum Security
- Available in multiple tamper-proof styles that require special tools for removal.
- Designed for permanent or controlled-access fastening, preventing unauthorized disassembly.
Common Security Head Types
Torx with Pin (ISO 14583) – Features a central pin to prevent standard Torx tool access.
- One-Way Screws – Allow easy installation but cannot be removed without specialized equipment.
- Snake Eye (Spanner Drive) Screws – Require dual-pin spanner tools for installation and removal.
- Tri-Wing & Hex-Pin Screws – Used in electronics, aerospace, and sensitive security installations.
Compatible with Custom Drive Tools
Requires proprietary driver bits to ensure controlled access and restricted removal.
Precision Machined Threads for Secure Grip
Threads are optimized for deep engagement and high pull-out resistance.
Thread Specifications & Precision Engineering
| Thread Type | Description | Application |
|---|---|---|
| Coarse Thread (UNC/Metric) | Provides fast penetration and high grip strength | Public infrastructure, outdoor installations |
| Fine Thread (UNF/Metric Fine) | Ensures stronger holding power & anti-vibration performance | Aerospace, defense, transportation |
| Fully Threaded Security Screws | Allows maximum engagement and secure fastening | Electronics, medical devices, tamper-proof enclosures |
| Partially Threaded Security Screws | Provides better shear strength & controlled load transfer | Critical infrastructure, high-security locking systems |
Thread Fitment & Compliance
- Metric threads conform to ISO 6g tolerances, ensuring tight security fastening.
- Imperial security screws comply with ISO 14583 for secure industrial use.
Common Applications of Security Screws
- Public Infrastructure & Transportation – Used in street signs, public seating, train stations, and bus shelters.
- Electronics & Data Centers – Ensures restricted access in server racks, IT enclosures, and high-security components.
- Aerospace & Defense Applications – Provides tamper-resistant fastening in aircraft, satellites, and military equipment.
- Correctional Facilities & Public Safety – Used in prisons, detention centers, and secured enclosures.
- Automotive & Railway Systems – Ensures vibration-resistant, tamper-proof fastening in public transport vehicles.
Why Choose Rajal Industries for Security Screws?
Manufactured to International Standards
Ensuring precision engineering, durability, and compliance.
Tamper-Resistant Head Designs
Available in multiple security drive styles for controlled access.
Customizable Security Fasteners
Offering specialized coatings, thread profiles, and drive mechanisms.
Bulk & Custom Orders
Ideal for government projects, industrial security, and critical infrastructure.
High Strength & Long-Term Security
Engineered to resist forced removal and unauthorized tampering.
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Our Offices
C-204, Vaibhav Platina, Nr. Kaveri Trishra, S P Ring road, Shilaj, Ahmedabad, Gujarat-380054
Call us
+91-846 036 2030
Email Us
rajalfast@gmail.com sales@rajalindustries.com