Bi-Metal Self-Drilling Screws

Categories: Bi-Metal Self-Drilling Screws are primarily categorized based on their head types and applications. Common categories include:

Hex Head Bi-Metal Self-Drilling Screws
Pan Head Bi-Metal Self-Drilling Screws
Flat Head Bi-Metal Self-Drilling Screws

Materials: These screws are crafted from two different metals. The body is typically made of high-quality stainless steel, providing superior corrosion resistance and durability. The drilling tip is made from hardened carbon steel, ensuring efficient drilling and fastening.
Surface Treatments: Bi-Metal Self-Drilling Screws undergo various surface treatments to enhance their performance and longevity. Common treatments include: Zinc Plating: Offers a basic level of corrosion resistance. Ruspert Coating: Provides advanced protection against rust and environmental wear.
Sizes: These screws come in various sizes to accommodate different applications. Typical diameters range from 4.2mm to 6.3mm, with lengths from 25mm to 250mm. Custom sizes can also be manufactured to meet specific requirements.
Functions: Bi-Metal Self-Drilling Screws combine the drilling and fastening functions in one motion. The hardened steel tip drills through metal surfaces, while the stainless steel body ensures strong, long-lasting fastening.
Applications: Bi-Metal Self-Drilling Screws are versatile and suitable for various applications, including: Construction: Ideal for fastening metal roofing and siding panels. Automotive: Used in the assembly of automotive body parts. HVAC: Perfect for installing heating, ventilation, and air conditioning systems. Electrical: Secures electrical components and enclosures.
Conclusion: Bi-Metal Self-Drilling Screws are essential for any project requiring reliable and efficient fastening solutions. Their combination of stainless steel bodies and hardened steel tips ensures both durability and performance, making them suitable for a wide range of industrial and construction applications.