3.9 BY 25MM SELF DRILLING SCREWS

3.9 BY 25MM SELF DRILLING SCREWS

Key Features:

1. Perfect Size: 3.9mm diameter and 25mm length for medium-duty applications.

2. Self-Drilling Tip: No need for pilot holes—fastens and drills in one step.

3. Carbon Steel Strength: Built from durable, high-tensile steel for longevity.

4. Zinc Plated: Corrosion-resistant finish suitable for indoor and outdoor use.

5. Phillips Head: Designed for secure driving with standard screwdrivers.

6. Clean Finish: Prevents splitting, cracking, or surface damage.

7. Multi-Purpose Use: Great for metal, wood, plastic, and composite surfaces.

8. Time-Saving Design: Increases efficiency on-site or during home projects.

9. Ideal Packet Size: Supplied in a convenient pack of 200 pcs.

10. Cost-Effective: Reliable performance at a competitive price.

Your Complete Guide to 3.9 BY 25MM SELF DRILLING SCREWS (200 PCS)

Fastening solutions that save time and ensure strong, lasting performance are essential for both professionals and DIYers. One such must-have product is 3.9 by 25mm self drilling screws. Supplied in a practical packet of 200 pcs, these screws are precision-engineered for reliable results in metal, wood, and other materials.

What are 3.9 by 25mm Self Drilling Screws?

3.9 by 25mm self drilling screws are specially designed fasteners that combine drilling and fastening in one smooth motion. Their sharp, fluted tips act as a built-in drill bit, enabling the screws to pierce through materials without the need for pre-drilling holes.

With a diameter of 3.9mm and a length of 25mm, these screws offer excellent holding strength for medium-duty tasks. The packet contains 200 pcs, making it an ideal quantity for bulk use on job sites or in workshops.

Benefits of Using 3.9 by 25mm Self Drilling Screws

One of the primary advantages of 3.9 by 25mm self drilling screws is the elimination of the pilot hole step. This reduces tool dependency and significantly cuts down installation time. Each screw is zinc-coated, ensuring resistance to rust and corrosion, even in moisture-prone environments.

The Phillips head design allows for controlled driving with minimal cam-out, providing a cleaner and tighter finish. Whether you’re fastening metal studs, installing brackets, or attaching wood panels, these screws maintain structural integrity and surface quality.

Common Applications

3.9 by 25mm self drilling screws are widely used in construction, fabrication, and interior installations. Key applications include:

• Metal-to-metal fixing: Ideal for steel frames, brackets, and panels.

• Wood-to-metal fastening: Perfect for hybrid construction structures.

• Drywall work: Used to attach gypsum boards to metal frames.

• DIY repairs: Great for shelving, light fixtures, and home fittings.

• HVAC & Electrical: Suitable for securing junction boxes, ductwork, and cable trays.

In each of these settings, the screws perform with consistency and reliability.

Quality and Durability

Each screw in the 200-piece packet is made from hardened carbon steel, ensuring toughness under load and resistance to stripping. The self-drilling point ensures a clean entry, reducing the risk of cracking or damaging the material surface.

Thanks to their zinc-plated finish, these screws can endure both interior and semi-exterior conditions, making them ideal for use in kitchens, bathrooms, and sheltered outdoor spaces.

Efficient Packaging

The packet of 200 pcs makes these screws a convenient and economical choice for professionals managing high-volume installations or homeowners tackling multiple tasks. The packaging is easy to store, access, and transport on the job.

How to Use

To get the best results with 3.9 by 25mm self drilling screws, use a standard power driver with a compatible Phillips bit. Apply steady pressure and let the self-drilling tip do the work. Avoid overtightening to maintain surface finish and screw integrity.

Conclusion

When you need dependable fastening for medium-duty work, 3.9 by 25mm self drilling screws offer the perfect balance of performance and practicality. Their self-drilling tips save time, their corrosion-resistant coating ensures durability, and the 200-piece packet provides excellent value.

Whether you’re a contractor, technician, or DIY enthusiast, these screws are a must-have for efficient, secure fastening across various applications. Choose 3.9 by 25mm self drilling screws for your next project—and experience faster, stronger, and smarter results.

The  3.9 BY 25MM SELF DRILLING SCREWS   is available in Mombasa, Kwale, Kilifi, Lamu, Mandera, Marsabit, Isiolo, Meru, Embu, Kitui, Machakos, Makueni, Nyandarua,

Nyeri, Kirinyaga, Murang’a, Kiambu, Turkana, Samburu, Trans Nzoia, Uasin, Gishu, Elgeyo Marakwet, Nandi, Baringo,

Laikipia, Nakuru, Narok, Kajiado, Kericho, Bomet, Kakamega, Vihiga, Bungoma, Busia, Siaya, Kisumu, Homa Bay, Migori, Kisii, Nyamira, Nairobi.

In Nairobi you can find them at: Westlands, Dagoretti,  Lang’ata, Starehe, Kamukunji, Embakasi, and Kasarani, Kibera, Mathare,

Eastleigh, Karen, Lavington, Westlands, Parklands, Runda, South C, South, Ngong Road

In Mombasa you can find us at : Nyali, Mwembe Tayari, Majengo, Likoni ,Bamburi, Miritini