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Product Overview
The Countersunk Head Self-Drilling Screw features a conical, flush-mount head combined with an integrated drill point. This design creates smooth, low-profile connections in metal and wood without the need for pre-drilling or countersinking.
Key Features
Countersunk head sits flush with the material surface for a clean finish.
Integrated drill point eliminates the need for pre-drilled pilot holes.
Combines drilling, tapping, and countersinking in one installation step.
Creates flush, vibration-resistant joints in metal and wood.
Compatible with standard drive tools for efficient assembly.
| Grade | Carbon Steel (5.8 / 8.8) / Stainless Steel 304 / 316 / Bi-metal |
| Size Range | ST3.5–ST6.3 / #6–1/4" (custom sizes available) |
| Thread Type | Self-drilling tapping thread (with drill point) |
| Standards | DIN 7504 / ISO 15480 / ASME B18.6.3 |
| Head Style | Pan head / countersunk head/hex head/wafer head optional |
| Drive Type | Phillips / torx / hex drive optional |
| Drill Point Type | Type 1 (light gauge) / Type 2 (medium gauge) / Type 3 (heavy gauge) |
| Material | Carbon Steel / Stainless Steel 304 / 316 / Bi-metal (carbon steel drill point) |
| Surface Finish | Zinc Plated / Zinc Flake / Black Oxide / Dacromet |
| Hardness | HRB 150–220 (drill point hardened) |
| Operating Temperature | -40°C ~ 200°C (material-dependent) |
| Application | Steel framing, roofing, metal decking, HVAC, automotive |
Applications
Metal roofing installation, cabinetry assembly, architectural metalwork, and flat-panel construction.
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