Black Oxide Finished Coach Screw M12 x 200mm
A metric coach screw with a square drive head and partial threading, designed for deep embedment in structural timber. The black oxide finish provides mild corrosion protection suitable for indoor applications. This threaded fastener is classified under tariff item 7318.11.00 as a coach screw of iron or steel.
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 screw has a different head shape or threading not characteristic of a coach screw
Other threaded screws of iron or steel are classified under this alternative item.
If the product is not a coach screw but another threaded article
Covers other threaded articles not specifically named elsewhere in the heading.
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
• Ensure the product is properly declared as a coach screw of iron or steel under tariff item 7318.11.00
• Verify the black oxide coating does not alter the base metal classification
• Keep commercial invoices and certificates of origin ready for CBSA inspection
Related Products under Tariff item 7318.11.00
Coach Screw with Ribbed Neck 1 Inch x 12 Inch
A heavy structural coach screw with a serrated neck beneath the square head to resist pull-out in load-bearing timber joints. Made from hot-rolled carbon steel for maximum strength, this product is a classic example of a coach screw. It is classified under tariff item 7318.11.00 as a threaded coach screw of iron or steel.
Galvanized Steel Coach Screw 1/2 Inch x 6 Inch
A large, square-headed screw with a coarse wood thread designed for heavy-duty fastening in timber construction. Made from galvanized steel for corrosion resistance, this product is a standard coach screw. It falls under tariff item 7318.11.00 as a coach screw of iron or steel.
Hot-Dipped Galvanized Coach Bolt 5/8 Inch x 8 Inch
A heavy-duty coach screw with a square shoulder under the head to prevent turning during installation in wood. The hot-dipped galvanized finish enhances durability for outdoor applications like decking and fencing. This product is classified under tariff item 7318.11.00 as a coach screw of iron or steel.
Oiled Carbon Steel Coach Screw 9/16 Inch x 7 Inch
A plain oiled finish coach screw designed for temporary formwork and concrete shuttering applications. The coarse ACME thread profile allows for rapid installation and removal. This product is classified under tariff item 7318.11.00 as a coach screw of iron or steel.
Sherardized Coach Screw 7/16 Inch x 5 Inch
A zinc-coated coach screw using the sherardizing process for superior corrosion protection in harsh environments. The square head design counters torque in dense hardwoods. This product is classified under tariff item 7318.11.00 as a coach screw of iron or steel.
Stainless Steel 316 Coach Screw 3/4 Inch x 10 Inch
A corrosion-resistant coach screw made from AISI 316 stainless steel, ideal for marine timber applications like docks and piers. It features a square head and tapered point for easy wood penetration. This product falls under tariff item 7318.11.00 as a coach screw of iron or steel.