Heavy Duty Torx Coach Screws/ Timber Frame & Decking/ Anti-Camout Design/ Batch Orders Guanbiao Hardware

Secure timber structures with our Torx drive coach screws. High-torque transmission, reduced camout, square neck anti-rotation. Zinc plated or Dacromet coated. Ideal for decks, frames & outdoor wood projects.

Revolutionize wood construction with our heavy-duty **Torx Drive Coach Screws**. Combining the traditional anti-rotation square neck of carriage bolts with the superior **Torx (Star) drive system**, these fasteners deliver unmatched torque transfer and eliminate frustrating cam-out (driver slippage). Engineered for demanding timber framing, decking, and outdoor structures, they ensure faster, more secure installations even in dense hardwoods.

Primary Uses & Applications:
* Structural timber framing (posts, beams, joists).
* Decking & pergola construction (joist hangers, ledger boards).
* Fencing, gate posts, and heavy-duty outdoor furniture.
* Wooden playground equipment and landscape structures.
* Log cabin and timber home assembly.
* Securing machinery bases to wooden foundations.

Surface Treatment/Finishes:
* **Hot-Dip Galvanizing (HDG):** Thick zinc coating for maximum corrosion protection in outdoor/exposed environments (e.g., decks near soil, coastal areas).
* **Yellow Zinc Plating (Zn+Y):** Good corrosion resistance, visually distinct, common for construction fasteners.
* **Dacromet / Geomet®:** Superior corrosion resistance (500-1000+ hrs salt spray), lubricity, RoHS compliant. Excellent for harsh environments.
* **Sherardized (Diffusion Zinc Coating):** Durable, abrasion-resistant, corrosion-protective coating.

How to Use:

1. **Pre-drill:** Drill a pilot hole slightly smaller than the screw's shank diameter (not the thread diameter) to prevent splitting and ease driving. Depth should match the unthreaded shank length.
2. **Align:** Insert the screw through the top material (e.g., metal bracket) into the wood substrate. The square neck under the head will embed into the wood or lock into the top material, preventing rotation.
3. **Drive:** Use the **correct size Torx driver bit** (e.g., T40 for M10 screw). Apply high torque with an impact driver or heavy-duty drill. The Torx drive minimizes slippage, allowing full force application even in dense wood.

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