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Product Overview
The Hex Head Self-Drilling Screw combines the high-torque capabilities of a hex head with an integrated drill point, making it ideal for heavy-duty metal-to-metal connections. It eliminates pre-drilling while delivering strong, vibration-resistant joints.
Key Features
Hex head design allows for high-torque installation with sockets or wrenches.
Integrated drill point creates pilot holes and taps threads in one step.
High-strength construction for heavy-load structural metal connections.
Eliminates the need for separate drilling tools in metal applications.
Available in corrosion-resistant finishes for outdoor use.
| 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
Structural steel assembly, metal building construction, heavy equipment manufacturing, and industrial framing.
