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Product Overview
The Hex Head Self-Tapping Screw combines the torque capabilities of a hex head with the convenience of self-tapping threads.
Designed for heavy-duty applications, it delivers high clamping force in metal and wood without pre-tapped holes.
Key Features
Hex head design allows for high-torque installation with wrenches or sockets.
Self-tapping threads create secure internal threads in various materials.
High-strength construction for heavy-load structural connections.
Resists stripping under high torque compared to slotted or Phillips heads.
Available in corrosion-resistant finishes for outdoor use.
| Grade | Carbon Steel (4.8 / 5.8) / Stainless Steel 304 / 316 |
| Size Range | ST2.2–ST8 / #2–1/4" (custom sizes available) |
| Thread Type | Self-tapping thread (coarse pitch, forming thread) |
| Standards | DIN 7981 / DIN 7982 / ISO 7049 / ASME B18.6.1 |
| Head Style | Pan head / countersunk head/truss head / flat head, optional |
| Drive Type | Phillips / slotted / torx / square drive optional |
| Thread Class | Forming thread (custom pitch available) |
| Material | Carbon Steel / Stainless Steel 304 / 316 / Zinc Alloy |
| Surface Finish | Zinc Plated / Black Oxide / Passivated / Nickel Plated |
| Hardness | HRB 110–180 (grade-dependent) |
| Operating Temperature | -40°C ~ 150°C (material-dependent) |
| Application | Metal sheets, plastic parts, wood, light assembly, electronics |
Applications
Heavy machinery assembly, structural steel connections, deck construction, and industrial equipment.
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