2025

Built for versatility, these screws offer superior drilling efficiency, tight fastening, and excellent corrosion resistance, making them a preferred choice across roofing, cladding, HVAC, and light steel applications.

Product Specifications

Material Options: C1022 Carbon Steel, 410 Stainless Steel, 304/316 Stainless Steel, Bi-Metal

Diameter Range: 3.9 mm – 6.3 mm (#8 – #14)

Length Range: 13 mm – 100 mm (1/2" – 4")

Head Type: Truss Head (Low-profile, wide bearing surface)

Drive Type: Phillips, Square, or Torx Drive

Point Type: #2 / #3 / #5 Drill Point (self-drilling design)

Surface Finishes: Zinc Plated, Ruspert®, Zinc Nickel, Black Zinc, or Mechanical Galvanized

Standard Compliance: DIN, IFI, ISO, or customized per client drawings

Key Features & Advantages

🔹 Wide Bearing Surface – Enhanced Grip & Stability
The low-profile truss head distributes load evenly, preventing material damage while offering a clean, flush finish. Ideal for securing thin sheet metal, insulation panels, and lightweight assemblies.

🔹 Precision Self-Drilling Point
Each screw features a Teks-style drill point that cuts cleanly through metal without pre-drilling — ensuring fast installation and reduced labor time. The optimized flute geometry provides consistent penetration and minimizes “walking” on surfaces.

🔹 Superior Corrosion Protection
Choose from Ruspert®, Zinc Nickel, or Stainless Steel finishes to achieve long-term corrosion resistance in outdoor or coastal environments. These coatings meet or exceed international salt-spray standards, ensuring performance that endures.

🔹 Smooth Drive Engagement
With advanced head geometry and balanced thread pitch, installation torque is minimized, enabling a stable, vibration-resistant fastening experience — crucial in high-speed production or automated assembly lines.

Applications

Roofing and cladding installation

HVAC ductwork and insulation fastening

Light steel and sheet metal fabrication

Electrical and interior finishing projects

General construction and architectural assemblies

Whether it’s securing sheet metal to framing or fixing components in ventilation systems, DD Fasteners’ Truss Head Self-Drilling Screws provide the efficiency and dependability demanded by professional builders worldwide.

Why Choose DD Fasteners?

With over two decades of manufacturing excellence, DD Fasteners is a global leader in the fastener industry — combining advanced production technology, strict quality control, and OEM customization capabilities.
We support:

Tailor-made materials, diameters, and drive designs

Surface treatment and color customization

Branding and private labeling for distributors

When performance meets precision, the result is reliability that lasts — that’s the DD Fasteners promise.

📞 Connect With Us Today
🌐 www.ddfasteners.com

📱 WhatsApp: +852 68409292
📧 felixyung@ddfasteners.com

DD Fasteners — Innovating Fastening Solutions for a Stronger Tomorrow.