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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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China12.5%+35.0%47.5%
🇲🇽Mexico12.5%+10.0%22.5%
🇨🇦Canada12.5%+10.0%22.5%
🇩🇪Germany12.5%+10.0%22.5%
🇯🇵Japan12.5%+10.0%22.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7318.15.20Lower: 35% vs 47.5%

If wood screws with finer threading

Finer threads classify as wood screws under 7318.15, while coach screws have coarser threads for heavy timber.

7318.21.00Lower: 40.8% vs 47.5%

If supplied as washer assemblies

Coach screws packaged with spring washers become washer assemblies under 7318.21.

7308.90Lower: 10% vs 47.5%

If used as structural components in fabricated steel

In finished structures like trusses, they may classify as parts of structures rather than individual fasteners.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Verify the square head and coarse threading match coach screw specs; misclassification as bolts can lead to incorrect duties

Provide material certificates confirming iron/steel composition and galvanization for customs clearance

Label packages clearly with dimensions and quantity to facilitate statistical reporting and avoid delays

Related Products under HTS 7318.11.00.00

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.

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.

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.