Pressure Treated Lumber Screws
Pressure treated lumber screws are double-barrier coated steel screws with coarse threads and hex heads, designed for ACQ-treated lumber in docks and playsets. Their chemical resistance and wood-specific design classify them as other wood screws under tariff item 7318.12.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the hex head and large diameter make the fastener a bolt
Bolts with hex heads and nuts are classified under this item.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the double-barrier coating is not a precious metal, which could affect classification
• Provide chemical resistance data to CBSA to support the wood screw classification
• Declare the hex head as a drive type, not a bolt head, to avoid reclassification
Related Products under Tariff item 7318.12.00
Bugle Head Drywall Wood Screws
Bugle head drywall wood screws are coarse-threaded steel fasteners with a countersinking bugle head, designed to attach drywall to wood studs without tearing the paper surface. Their specialized geometry and threading place them under tariff item 7318.12.00 as other wood screws.
Exterior Cedar Siding Screws
Exterior cedar siding screws are polymer-coated steel wood screws with a star drive and coarse threads, engineered to fasten cedar siding to framing in wet climates. Their corrosion-resistant coating and wood-specific threading qualify them as other wood screws under tariff item 7318.12.00.
Galvanized Steel Deck Wood Screws
Galvanized steel deck wood screws are coarse-threaded fasteners with a flat head and zinc galvanization, specifically made for securing wood boards to joists in outdoor decking. Their design and purpose as wood screws place them under tariff item 7318.12.00.
Mahogany Trim Screws
Mahogany trim screws are brass-plated steel wood screws with an oval head and coarse threads, designed for finish carpentry on tropical hardwoods like mahogany. Their decorative appearance and wood-specific threading make them other wood screws under tariff item 7318.12.00.
Oak Furniture Wood Screws
Oak furniture wood screws are fine-threaded steel screws with slotted heads, engineered for precise joinery in hardwoods like oak. Their design for wood assembly and steel composition classify them as other wood screws under tariff item 7318.12.00.
Phillips Flat Head Wood Screws
Phillips flat head wood screws are iron wood screws with a Phillips drive, flat head, and coarse threads, ideal for flush mounting in woodworking projects like cabinetry. Their wood-specific design places them under tariff item 7318.12.00 as other wood screws.