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Metal Roof Screws & Self-Drilling Tek Screws for Global Construction
High-Performance Roofing Screws for Global Applications
Metal roof screws, also known as self-drilling Tek screws, are essential fastening components used in roofing systems to securely fix metal panels to steel or timber structures.
These fasteners are essential in modern construction, especially for metal roofing and steel structures.
Designed to drill, tap, and fasten in one step, they improve installation efficiency and reduce labor time. They are widely used in roofing and cladding systems for secure and durable fastening.
BDN Fasteners® specializes in manufacturing high-performance metal roof screws and self-drilling Tek screws, designed for a wide range of construction applications worldwide.
Available in multiple coating options, our products deliver reliable performance and excellent corrosion resistance across various environments, making them ideal for roofing and cladding applications. We are committed to providing high-quality fastening solutions at competitive prices for global construction markets.
Manufactured in Taiwan under strict quality control, our roofing fasteners are FM Approved, ensuring verified performance for construction safety and reliability. In addition, our products comply with multiple international standards to guarantee consistent performance across different environments and markets:
- ISO 9001:2015 Certified – Quality management system
- FM Approved – Verified performance for construction safety and reliability
- BIS Certified (IS 18471:2025) – Compliance for the Indian market
- AS3566 Standard – Verified drilling performance and corrosion resistance for roofing screws
BDN Fasteners® products are trusted in construction projects worldwide, with strong market presence across India, the Middle East, Eastern Europe, Thailand, and Southeast Asia.
FM Approval Supplier
BIS Certification
ISO 9001 Certification
METAL-Tite™ Self-Drilling Screws
High-performance self-drilling screws for metal roofing applications.
BDN Fasteners® offers a complete range of self-drilling screws (Tek screws) for metal roofing, steel-to-steel, and steel-to-timber applications. Designed for fast installation without pre-drilling, these metal roof screws deliver reliable drilling performance and strong pull-out strength.
All products comply with the AS3566 standard and are available in multiple coating options to suit different environmental conditions.
Explore the full range of METAL-Tite™ self-drilling screws below.
Selection Guide
| Product | Point | Gauge TPI x Length (mm) | Application | Max. drilling capacity (mm) | Part Number |
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Dual-Edge Drill Point |
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fixing cladding to Metal | 4.0mm thick |
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Dual-Edge Drill Point |
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fixing cladding to Metal | 6.0mm thick |
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Dual-Edge Drill Point |
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fixing roof sheeting to metal | 6.0mm thick |
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Dual-Edge Drill Point |
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Roof sheeting to metal – enhanced pull-out strength. | 6.0mm thick |
|
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No.5 Drill Point |
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fixing to thick steel | 12.5mm thick |
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No.5 Drill Point |
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fixing insulated panels to thick steel | 12.5mm thick |
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Reduced Point |
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for stitching metal roof sheets at side laps. | 1mm+1mm thick |
|
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Needle Point |
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for stitching metal roof sheets at side laps. | 1mm+1mm thick |
|
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Thunder-Shot Drilling Point |
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for concealed fixing steel sheets to steel substructures. | 4.0mm thick |
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Thunder-Shot Drilling Point |
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for concealed & pierce fixing snap-lock cladding panels to thin-gauge steel battens. | 2.5mm thick |
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TIMBER-Tite™ Self-Tapping Screws
Reliable self-tapping screws for metal roofing to timber applications.
BDN Fasteners® offers TIMBER-Tite™ self-tapping screws, specially designed for metal roofing to timber applications. These screws provide secure fastening for roof sheeting without pre-drilling, ensuring efficient installation and reliable performance.
Longer screws such as T17CG1265C3N and T17CG1250C3N are ideal for crest fixing, while shorter screws like T17H1020C3N are designed for valley fixing.
Explore the full range of TIMBER-Tite™ self-tapping screws below.
Selection Guide
| Product | Point | Gauge TPI x Length (mm) | Application | Timber Penetration (mm) | Part Number |
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Type 17 Sharp Point |
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fixing metal roofing into timber battens | 4.0mm thick |
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Type 17 Sharp Point |
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fixing metal roofing into timber battens | 6.0mm thick |
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Polycarbonate Roofing Fasteners
Specialized fasteners for polycarbonate roofing systems.
BDN Fasteners® offers POLYXPAND™ and POLY-FAST™ fasteners, specially designed for polycarbonate and plastic roofing panels.
These fasteners feature a cutting washer that creates the required thermal expansion hole while fastening the panel to the supporting purlin in one step, ensuring efficient installation and reliable performance.
The integrated cutting washer also works as a stopper, preventing over-driving and protecting the raised profile from damage during installation.
Explore the full range of polycarbonate roofing fasteners below.
Selection Guide
| Product | Point | Gauge TPI x Length (mm) | Application | Max. drilling capacity (mm) | Part Number |
 |
Thunder-Shot Point |
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fixing polycarbonate skylight to metal | 5.5mm thick |
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Thunder-Shot Point |
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fixing polycarbonate skylight to metal | 4.5mm thick |
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Type 17 Needle Point |
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fixing polycarbonate skylight to timber | Min. timber penetration: 25 mm. |
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Duofix V-Drill Point |
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Dual purpose, fixing polycarbonate skylight to metal & timber | Max. steel drilling: 3.0 mm; Min. timber penetration: 25 mm. |
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Coating Options & Corrosion Resistance
BDN Fasteners® offers a range of coating options designed to meet different corrosion resistance requirements in construction environments:
Ruspert Coating – Class 3 Coating (C3)
Multi-layer coating system for superior corrosion resistance. Advanced multi-layer coating system
- Salt Spray Test (SST): 1000hrs
- Kesternich Test: 7 cycles
Mechanical Zinc-Tin Plating – Class 4 Coating (C4)
High-performance zinc-tin coating
- Salt Spray Test (SST): 2000hrs
- Kesternich Test: 15 cycles
Zinc Plated Coating
Standard zinc coating for basic corrosion protection
- Cost-effective solution for general use
Applications
High-performance metal roof screws are widely used in metal roofing systems, ensuring secure fastening in both structural and cladding applications.
These metal roof screws are specifically designed for metal roofing systems, providing secure fastening in structural and cladding applications.
BDN Fasteners® metal roof screws, self-drilling screws, and self-tapping screws are designed for a wide range of construction applications, including:
- Metal roofing systems and roofing sheet installation
- Steel structures and structural steel framing
- Self-drilling screws for steel-to-steel applications
- Self-tapping screws for steel-to-timber applications
- Wall cladding, sandwich panels, and facade systems
- Industrial and commercial building construction projects worldwide
Global Supply, Trusted Performance
BDN Fasteners® combines manufacturing expertise, strict quality control, and global market experience to deliver reliable fastening solutions tailored to different regional requirements.
FAQ – Questions and answers
The most common questions in construction
Other Products
Colored Roofing Screw
Collated Screws
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BDN Fasteners
BDN Fasteners (Broaden Worldwide Co., Ltd) is an ISO-9001 Certified Quality Supplier-Manufacturer of Australian Standard AS3566 self-drilling and self-tapping screws in various coatings for steel to steel and steel to timber applications. Our headquarters are in Taiwan and we operate sales and marketing offices in India and Thailand.
Founded in 2009.
