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HS Codes

Harmonized System Code (HS) Lookup & Finder

Harmonized System Code lookup and finder

Your HS codes determine your compliance, your admissibility, and which supply chain advantages you can capture. See how precision classification can protect your finances and unlock greater strategy.


U.S. Harmonized Tariff Schedule

HS Code 7318

Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel

U.S. Tariff Rates

U.S. tariff rates for HS Code 7318: Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel
Heading / SubheadingArticle DescriptionUnit of QuantityGeneralSpecial
7318Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel
Threaded articles
7318.11.00.00Coach screwskg12.5%Free (, S,)
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7318.12.00.00Other wood screwskg12.5%Free (*,S,)
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7318.13.00Screw hooks and screw rings5.7%Free (,S,)
7318.13.00.30Having shanks or threads with a diameter of less than 6 mmkg
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7318.13.00.60Having shanks or threads with a diameter of 6 mm or morekg
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7318.14Self-tapping screws
7318.14.10Having shanks or threads with a diameter of less than 6 mm6.2%Free (,S,) 3.1% ()
7318.14.10.30Of stainless steelkg
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7318.14.10.60Otherkg
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7318.14.50Having shanks or threads with a diameter of 6 mm or more8.6%Free (,S,) 4.3% ()
7318.14.50.20Of stainless steelkg
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7318.14.50.80Otherkg
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7318.15Other screws and bolts, whether or not with their nuts or washers
7318.15.20Bolts and bolts and their nuts or washers entered or exported in the same shipmentFree
7318.15.20.10Having shanks or threads with a diameter of less than 6 mmkg
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Having shanks or threads with a diameter of 6 mm or more
7318.15.20.20Track boltskg
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7318.15.20.30Structural boltskg
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Bent bolts
7318.15.20.41Right-angle anchor boltskg
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7318.15.20.46Otherkg
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Other
With round heads
7318.15.20.51Of stainless steelkg
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7318.15.20.55Otherkg
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With hexagonal heads
7318.15.20.61Of stainless steelkg
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7318.15.20.65Otherkg
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Other
7318.15.20.91Of stainless steelkg
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7318.15.20.95Otherkg
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7318.15.40.00Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap screws)kgFree
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7318.15.50StudsFree
7318.15.50.30Of stainless steelkg
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Other
Continuously threaded rod
7318.15.50.51Of alloy steelkg
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7318.15.50.56Otherkg
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7318.15.50.90Otherkg
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Other
7318.15.60Having shanks or threads with a diameter of less than 6 mm6.2%Free (*,S,)
Socket screws
7318.15.60.10Of stainless steelkg
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7318.15.60.40Otherkg
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Other
7318.15.60.70Of stainless steelkg
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7318.15.60.80Otherkg
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7318.15.80Having shanks or threads with a diameter of 6 mm or more8.5%Free (*,S,)
7318.15.80.20Set screwskg
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Other
Socket screws
7318.15.80.30Of stainless steelkg
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7318.15.80.45Otherkg
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Other
With hexagonal heads
7318.15.80.55Of stainless steelkg
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Other
7318.15.80.66Cap screwskg
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7318.15.80.69Otherkg
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Other
7318.15.80.82Of stainless steelkg
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7318.15.80.85Otherkg
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7318.16.00NutsFree
Lugnuts
7318.16.00.15Non-locking chrome-platedkg
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7318.16.00.30Lockingkg
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7318.16.00.45Otherkg
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Other
7318.16.00.60Of stainless steelkg
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7318.16.00.85Otherkg
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7318.19.00.00Otherkg5.7%Free (*,S,) 2.85% ()
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Non-threaded articles
7318.21.00Spring washers and other lock washers5.8%Free (,S,) 2.9% ()
7318.21.00.30Helical spring lock washerskg
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7318.21.00.90Otherkg
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7318.22.00.00Other washerskgFree
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7318.23.00.00RivetskgFree
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7318.24.00.00Cotters and cotter pinskg3.8%Free (,JS,)
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7318.29.00.00Otherkg2.8%Free (,JS,)
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