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3.5x25mm Self Drilling Drywall Screw Factory

Our Self-Drilling Drywall Screw is engineered to streamline and enhance the installation of drywall panels, particularly over steel studs and frames. This innovative fastener integrates a hardened drill point and sharp tapping threads, eliminating the need for pre-drilling pilot holes in the metal substructure. Manufactured from durable carbon steel and finished with a high-performance phosphating coating, it ensures strong, reliable fastening and excellent corrosion resistance. The bugle head is designed to sit flush without tearing the drywall paper, providing a smooth surface ready for finishing. This screw delivers significant labor and time savings for contractors, offering a superior, single-step solution for modern drywall and steel framing construction projects.
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Product Introduction

Our Self-Drilling Drywall Screws are engineered specifically for efficient and secure drywall installation onto metal studs and channels. Combining a self-drilling point with sharp threads, they eliminate the separate step of pre-drilling pilot holes in steel framing. This integration significantly accelerates installation timelines and reduces labor effort. The bugle head is designed to sit flush without tearing the drywall paper, while a phosphated or corrosion-resistant coating cutting ensures smooth driving and long-term performance. These screws are the optimal choice for contractors seeking a reliable, high-performance fastening solution for interior wall and ceiling systems in commercial and residential construction.


Product Specifications


  • Material: Carbon Steel (Grade C1022A equivalent), case-hardened for point durability.

  • Finish / Coating: Standard Black Phosphate or Electro-Zinc Plated. Enhanced coatings are available for greater corrosion resistance.

  • Corrosion Resistance: Standard coatings provide protection suitable for interior environments.

  • Head Style: Bugle Head (Countersunk) designed for a flush finish.

  • Drive Type: Phillips #2, Pozidriv #2, or Square Drive #2. Torx® drive is optionally available.

  • Drill Point Style: Fine, hardened point (Style 1 or 2) for penetration into light-gauge steel (typically up to 20-ga. to 14-ga.).

  • Thread Type: Sharp, spaced twin-lead thread for fast driving and high pull-out resistance.

  • Shank: Fully threaded.

  • Standard Diameters: #6, #8 (approximate metric: 3.5mm, 4.2mm).

  • Standard Lengths: Common lengths include 1-1/4" (32mm), 1-5/8" (42mm), and 2" (50mm). Custom lengths can be produced.

  • Standards: Manufactured to comply with relevant industry specifications for drywall-to-steel fastening.

Key Features & Benefits


  • Integrated Drilling for Steel Framing: The hardened self-drilling tip easily penetrates light-gauge metal studs and tracks, removing the need for a separate pre-drilling operation and saving substantial time on the job site.


  • Optimized for Drywall Installation: The bugle head geometry smoothly countersinks into the drywall panel without fracturing the gypsum core or tearing the face paper, creating a recess ready for joint compound.


  • High-Efficiency Driving Design: The sharp, twin-lead threads and compatible drive recess (Phillips, Pozi, or Square) allow for rapid installation with minimal cam-out, reducing installer fatigue and increasing productivity.


  • Superior Holding Power: The specially spaced thread profile provides excellent grip and pull-out resistance within the drywall panel, ensuring a secure, long-lasting attachment to the metal framework.


  • Corrosion-Resistant Finish: The standard black phosphate or zinc coating protects against rust during construction and in-service, preventing unsightly staining and ensuring joint integrity over time.

3.5x25mm Self Drilling Drywall Screw Factory3.5x25mm Self Drilling Drywall Screw Factory3.5x25mm Self Drilling Drywall Screw Factory

Typical Applications


Interior Metal Stud Framing: Primary fastener for attaching drywall panels (gypsum board) to load-bearing and non-load-bearing steel studs and runners.


Suspended Ceiling Grids: Securing drywall ceiling panels to metal furring channels and hat channels.


Multi-Layer Drywall Systems: Installation of fire-rated or soundproofing assemblies requiring multiple layers of board.


Renovation & Remodeling: Fastening new drywall over existing metal lath or to metal door/window frames.


Why Choose Our Self-Drilling Drywall Screws?


Maximize Installation Speed: Eliminate the bottleneck of pre-drilling. Our screws drive directly into metal studs, allowing your crew to install board faster and complete projects sooner.


Ensure a Flawless Finish: The precision-designed bugle head creates a clean, consistent recess every time, minimizing callbacks for surface imperfections and reducing joint compound usage.


Invest in Job-Site Reliability: Experience fewer driver bit changes, reduced screw breakage, and consistent performance from the first screw in the box to the last, ensuring predictable workflow.


Rely on Expert Support: Our team provides guidance on the correct screw length, point type, and drive style for your specific metal gauge and drywall application, ensuring optimal results.


Commitment to Quality & Service

Every batch of our Self-Drilling Drywall Screws is manufactured under a strict quality management system to guarantee consistent performance, dimensional accuracy, and finish durability. We are committed to being your trusted partner by providing solutions that enhance project efficiency, safety, and finish quality. For detailed technical datasheets, volume pricing, or project-specific consultation, please contact our sales and engineering support team.


Founded in 2005, Zhenxiang Company is one of China’s largest steel production bases, with multiple factories and branches nationwide. Our global experience ensures we provide top-tier hardware and fastener products to customers around the world.


3.5x25mm Self Drilling Drywall Screw Factory


Packaging & Shipping


Single package size: 38X28X20 cm

Single gross weight: 25 kg


Drywall screw packaging

Drywall screws loading and transportation


FAQ

Q: Are you a manufacturer or a trading company?

A: We are a manufacturer with factories across China and our own foreign trade division, ensuring direct access to the highest quality products.

Q: Do you offer samples?

A: Yes, we offer free samples for your evaluation. Please feel free to request them, although shipping costs are not covered.

Q: Is the product quality guaranteed?

A: Absolutely! Our products undergo comprehensive testing and meet national quality standards. We also have our own lab for additional quality control.

Q: Can you customize the specifications?

A: Yes, we offer customization to meet your specific needs. We will produce to your exact specifications and ensure your full satisfaction.

Q: What payment methods do you accept?

A: We typically require a 30% prepayment, with the remaining 70% due before shipment. Payments can be made via Western Union, PayPal, or Letter of Credit.

Q: Do you accept small orders?

A: Yes, we welcome small orders! Whether it's hardware, drywall screws, fasteners, or bolts, we are happy to assist.

Q: Can we print our own logo on the products?

A: Yes, we can customize our products to meet your branding requirements, ensuring your full satisfaction.

Q: What is your delivery time?

A: If in stock, the delivery time is typically 5-10 days. For out-of-stock items, it will take 15-20 days, depending on order quantity and location.



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