Hex Self Drilling Screw for Metal Roofing and Steel Frames
Looking for a strong, quick, and reliable fastening option for your steel or roofing projects? Our hex self drilling screw is engineered for strength and efficiency. Built with a sharp drilling tip, it eliminates the need for pilot holes—saving your time and labor cost. Its hex washer head provides high torque, perfect for a strong, vibration resistant hold.
These hex head self drilling screws are perfect for heavy industrial use such as metal roofing, steel framing, and HVAC installation. They come in rust-proof and zinc plated finishes and provide long lasting performance under extreme weather conditions. From bulk packs of bulk self drilling screws to securing steel beams, Stonex Screws deliver unparalleled reliability.
Key Features & Benefits
With superior design and high-quality material, the hex head self drilling screws present obvious advantages for engineers and installers. Improved speed, safety, and strength are achieved in all applications with these features.
No Pilot Hole Required
The self drilling tip saves time by drilling and fastening in one step—perfect for busy construction projects.
Superior Corrosion Resistance
Available in zinc plated self drilling screws and rust-proof options for long-term durability in humid or coastal conditions.
Hex Washer Head Design
Provides maximum hold and grip, and distributes load evenly to avoid stripping with high torque applications.
Perfect for Thick Steel
Engineered to perform as self drilling screws for thick steel and beams without losing holding power or precision.
Consistent Drive Performance
The hex drive resists cam-out, providing smooth and secure installation with standard tools.
Each benefit is designed to enable accurate, quick, and durable fastening. From high torque hold to corrosion resistance, our screws provide more control on each project.
Technical Specifications
Detailed specs of our hex self drilling screw in Chennai lineup:
| Parameter | Details |
|---|---|
|
Sizes |
10×20, 10×25, 12×25, 12×35, 12×55, 12×65, 12×75, 12×90, 12×100 |
|
Material/Finish |
Zinc + rust-proof (most sizes); rust-proof only (12×90, 12×100) |
|
Head Type |
Hex washer head |
|
Thread Type |
BSD (bit‑splitting design for metal) |
|
Drive Type |
External hex |
|
Point Type |
Self‑drilling (#2/#3 tip for ≤12 gauge) |
|
Tensile/Shear Strength |
Industry‑standard hardness (HRC 32‑40) |
Whether you select the compact 10×20 or heavy-duty 12×100, each hex self drilling screw in chennai comes trackable and certified for strength, durability, and performance.
Applications / Use Cases
The hex self drilling screw is perfect for industrial and structural applications that demand high performance and speed. Its design makes it a preferred choice across multiple heavy-duty use cases.
1. Industrial Roofing Installations
Utilize hex head self drilling screws to fasten roofing sheets securely to steel purlins, providing a watertight and wind-tight seal that can withstand weather and structural loads.
2. PEB (Pre-Engineered Building) Structures
Ideal for pre-engineered buildings, these screws deliver strong holding power in steel frameworks—ensuring structural reliability and reducing installation time on PEB construction sites.
3. Sheet Fixing on Steel Frames
Whether it’s metal walls or partitions, the hex washer head self drilling screw provides tight, lasting grip when fixing sheets directly onto steel frames without pilot holes.
4. Air Duct and HVAC Fixing
Usually used in ventilation systems, these hex self drilling screws offer secure, vibration-resistant fastening in HVAC units and air ducts, ensuring reliable airflow control and long-term equipment performance.
5. Steel Beam Mounting Applications
Designed as self drilling screws for steel beam, they penetrate thick, hard steel surfaces smoothly—perfect for brackets, equipment mounts, or panel attachments on beams.
From industrial roofing to HVAC fixing, our screws are built to handle it all. Choose Stonex for speed, precision, and unmatched holding strength in every critical application.
Our Packaging
Presenting a sleek, sturdy packaging box designed to hold premium-quality self-drilling screws. This compact box is crafted from durable, eco-friendly cardboard that ensures the contents remain secure and well-protected during storage and transport.
Why Choose Stonex Screws?
At Stonex, we don’t just sell screws—we are the self drilling screw manufacturers in India. That means full control over quality, fast issue resolution, and products that outperform low-grade imports. Here’s why professionals prefer our hex self drilling screw every time.
We Are a Direct Manufacturer
As a self drilling screw manufacturers in chennai our own hex self drilling screw guarantees consistent quality, a stable supply, and quicker customization—compared to importers, who have to depend on third-party suppliers with minimal control over raw materials or accuracy.
Taiwan-Level Quality at Lower Prices
Our screws are designed to match the quality of Taiwan-made fasteners. We invite you to compare our performance and pricing—not with cheap Chinese screws, but with top-tier Taiwan products.
No Compromise on Quality
Many Chinese screws may be cheaper, but they often sacrifice strength, coating thickness, or drilling performance. We offer superior alternatives without compromising on quality or reliability in demanding steel applications.
Customization for Individual Needs
As producers, we know that all sizes aren't created equal. That's why we provide customized hex head self drilling screws to fit your precise size, finish, or packaging demands.
Responsive, Reliable Support
If any issue arises, we resolve it fast. From technical queries to delivery updates, our team is here to provide immediate and helpful support—something importers can’t promise consistently.
With Stonex Screws, you’re choosing trusted manufacturing, fair pricing, and reliable product performance. Don’t settle for less—choose the screw that professionals rely on across India.
FAQ
No, a hex self drilling screw does not need a pilot hole. It has a built in drill bit tip that drills through steel or metal surfaces, making it possible for one step fastening and reducing installation time.
Hex head self drilling screws are very strong and used for heavy-duty use. They can drill through heavy steel and give high holding power, particularly in structural and industrial installations.
You need only a basic drill or driver with hex socket bit to fit hex washer head self drilling screw. No pre drilling or special tools are required, so it is quick and easy to fit them.
Self drilling screws feature a drill point tip that drills through metal without the use of a pilot hole. Self tapping screws need a pre drilled hole. The hex self drilling screw conserves time by tying drilling and tapping in one operation.
Yes, we provide bulk self drilling screws at wholesale competitive prices. As a direct manufacturer, we also provide custom packaging solutions based on your quantity and project requirements.