Countersunk Torx Screws
Countersunk Torx Screws are specialized fasteners designed for secure, high-torque fastening with a flush surface finish. Their Torx drive system offers higher torque transfer, reduced cam-out, and improved durability, making them ideal for automotive, aerospace, electronics, furniture, and industrial applications.
At Rajal Industries, we manufacture precision-engineered countersunk Torx screws that conform to ISO standards and general screw specifications, ensuring exceptional grip, precision fitment, and long-term reliability.
Sizes & Standards
| Size Range | Standards |
|---|---|
| Diameters: M2 to M10 (Metric) | ISO 10664 – Standard for Torx drive screws |
| Gauge Sizes: 2 to 14 (Imperial) | ISO 14581 – Standard for countersunk head Torx screws |
| Lengths: Variable | General screw standards for industrial and commercial applications |
Material & Strength Grades
| Material Type | Available Strength Grades | Industry Standards |
|---|---|---|
| Carbon Steel & Mild Steel | 4.6, 5.6, 8.8 | ISO 14581, ISO 10664 |
| 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 14581, ISO 10664 |
- Heat-Treated for Maximum Strength –Countersunk Torx screws undergo quenching and tempering for enhanced torque resistance and wear durability.
- Load Ratings Based on Material & Application:
- Carbon Steel Class 8.8 Countersunk Torx Screw: 800-900 MPa tensile strength
- Stainless Steel A4-80 Countersunk Torx Screw: 700-800 MPa corrosion-resistant strength
Head & Drive Design Specifications
Flush-Fit Countersunk Head for Smooth Finish
- The angled head design allows the screw to sit flush with the surface, preventing snagging and providing a clean look.
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- Ensures secure and aesthetic fastening in furniture, electronics, and precision-engineering components.
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Torx Drive System for High-Torque Applications
- The six-lobe Torx drive (ISO 10664) offers higher torque resistance and prevents slippage.
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- Reduces driver wear and allows for more controlled tightening without cam-out.
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Precision Machined Threading for Secure Grip
- Threads are designed for high retention strength in metal, wood, and plastic applications.
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- Available in coarse and fine thread profiles for optimized load distribution.
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Compatible with Multiple Drive Types
- Torx Drive (ISO 10664) – Ensures secure engagement and high torque transmission.
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- Star Drive (Tamper-Resistant Torx) – Used for security fastening in sensitive applications.
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Thread Specifications & Precision Engineering
| Thread Type | Description | Application |
|---|---|---|
| Coarse Thread (UNC/Metric) | Provides fast penetration and strong grip | General metal, plastic, and composite fastening |
| Fine Thread (UNF/Metric Fine) | Ensures higher tensile strength & load control | Aerospace, automotive, precision engineering |
| Fully Threaded Countersunk Torx Screws | Allows maximum adjustability and secure fastening | Electronics, furniture, and industrial assembly |
| Partially Threaded Countersunk Torx Screws | Provides better shear strength & controlled load transfer | Structural fastening, machinery applications |
Thread Fitment & Compliance
- Metric threads conform to ISO 6g tolerances, ensuring accurate engagement in high-precision applications.
- Imperial countersunk Torx screws meet ISO 10664 and ISO 14581 for universal compatibility.
Common Applications of Countersunk Torx Screws
- Automotive & Aerospace Industry – Used in engine components, safety systems, and high-precision fastenings.
- Electronics & PCB Mounting – Ensures secure fastening in mobile devices, laptops, and industrial electronics.
- Furniture & Cabinetry – Provides clean, flush fastening in wooden and laminate surfaces.
- Industrial Machinery & Heavy Equipment – Used in gear assemblies, mechanical enclosures, and moving parts.
- Medical Devices & Laboratory Equipment – Fastens diagnostic instruments and precision tools.
Why Choose Rajal Industries for Countersunk Torx Screws?
Manufactured to International Standards
Ensuring precision engineering, durability, and compliance.
Torx Drive for Maximum Torque Transmission
Prevents slippage and ensures efficient installation.
Customizable Designs
Available in different head types, thread profiles, and drive configurations.
Bulk & Custom Orders
Ideal for automotive, electronics, and industrial clients.
High Retention Strength & Secure Fastening
Engineered for long-term, maintenance-free applications.
Office Address
Plot no.8, Out side of shiyani ni pol, Satavara Para, Behind old bhijanshala, Nr. Jemabhuvani wadi, Bhogava road, Wadhavan, Surendranagar-363030.
Manufacturing Unit
R.S.No. 2912/P, B/h. Meldi maa temple,Old dedadra road, Wadhavan, Surendranagar, Gujarat-363030.
Call us
+91-846 036 2030
+91 8460362030
Email Us
rajalfast@gmail.com sales@rajalindustries.com