Black Oxide Finished Coach Screw M12 x 200mm
Metric coach screw with square drive head and partial threading for deep embedment in structural timber. Black oxide coating provides mild corrosion protection for indoor use. HTS 7318.11.00.00 covers these as coach screws due to their design for heavy wood fastening.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold in sets with nails
Fastener sets with mixed articles like nails and coach screws classify under 7317.00.
If non-threaded shank variants
Threadless coach screw types become other non-threaded articles.
If parts of plows or agricultural machinery
End-use in farm equipment shifts to machinery parts under Chapter 84.
Not sure which classification is right?
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Import Tips & Compliance
• Use ISO 8678 standards reference in invoices to confirm coach screw classification
• Ensure threading pitch matches coarse wood screw specs (e.g
• 2.5mm for M12)
• Declare exact carbon steel grade to avoid reclassification as alloy steel under Chapter 72
Related Products under HTS 7318.11.00.00
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, it falls under HTS 7318.11.00.00 as a coach screw, distinct from standard bolts due to its specific use in securing heavy loads to wood.
Hot-Dipped Galvanized Coach Bolt 5/8 Inch x 8 Inch
Heavy-duty coach screw with a square shoulder under the head to prevent turning during installation in wood. Hot-dipped galvanized finish enhances durability for outdoor applications like decking and fencing. Classified under HTS 7318.11.00.00 specifically for coach screws of iron or steel.
Stainless Steel 316 Coach Screw 3/4 Inch x 10 Inch
Corrosion-resistant coach screw made from AISI 316 stainless steel, ideal for marine timber applications like docks and piers. Features a square head and tapered point for easy wood penetration. Falls under HTS 7318.11.00.00 as a coach screw of steel.
Sherardized Coach Screw 7/16 Inch x 5 Inch
Zinc-coated coach screw using sherardizing process for superior corrosion protection in harsh environments. Square head design counters torque in dense hardwoods. Classified as coach screws under HTS 7318.11.00.00.
Coach Screw with Ribbed Neck 1 Inch x 12 Inch
Heavy structural coach screw featuring serrated neck beneath square head to resist pull-out in load-bearing timber joints. Hot-rolled carbon steel construction for maximum strength. HTS 7318.11.00.00 designation for coach screws.
Type 304 Stainless Coach Screw M16 x 250mm
Metric stainless steel coach screw for architectural timber framing, with square head and washer face. Type 304 provides good atmospheric corrosion resistance. Fits HTS 7318.11.00.00 as threaded coach screws of steel.