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Home > HTS Codes > Chapter 73 > 7318

Custom Duty Rate for HTS Code 7318 : Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers, incl. spring washers, and similar articles, of iron or steel (excluding lag screws, stoppers, plugs and the like, threaded)

Heading/SubheadingArticle DescriptionUnit of QuantityRates of Duty
12
GeneralSpecial
7318.11Coach screws of iron or steel
7318.11.00.00Coach screws of iron or steelkg10.00%Free (A+,AU,B,BH, CA,CL,CO,D,E,IL, JO,KR,MA,MX, OM,P,PA,PE,S,SG)30.00%
7318.12Wood screws of iron or steel (excluding coach screws)
7318.12.00.00Wood screws of iron or steel, excluding coach screwskg10.00%Free (A*,AU,B,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
7318.13Screw hooks and screw rings, of iron or steel
7318.13.00Screw hooks and screw rings10.00%Free (A,AU,B,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)50.00%
7318.13.00.30Screw hooks and screw rings of iron or steel, having shanks or threads with a diameter of less than 6 mmkg
7318.13.00.60Screw hooks and screw rings of iron or steel, having shanks or threads with a diameter of 6 mm or morekg
7318.14Self-tapping screws, of iron or steel (excluding wook screws)
7318.14.10Self-tapping screws, diameter less than 6 millimeters10.00%Free (A+,AU,B,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG) 3.1% (JP)50.00%
7318.14.10.30Self-tapping screws of stainless steel, having shanks or threads with a diameter of less than 6 mmkg
7318.14.10.60Self-tapping screws of iron or steel other than stainless steel, having shanks or threads with a diameter of less than 6 mmkg
7318.14.50Self-tapping screws, diameter 6 millimeters or more10.00%Free (A+,AU,B,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG) 4.3% (JP)50.00%
7318.14.50.20Self-tapping screws of stainless steel, having shanks or threads with a diameter of 6 mm or morekg
7318.14.50.80Self-tapping screws of iron or steel other than stainless steel, having shanks or threads with a diameter of 6 mm or morekg
7318.15Threaded screws and bolts, of iron or steel, whether or not with their nuts and washers (excluding coach screws and other wood screws, screw hooks and screw rings, self-tapping screws, lag screws, stoppers, plugs and the like, threaded)
7318.15.20Bolts and bolts with nuts/washers, circular cross sectionFree0.00%
7318.15.20.10Bolts of iron or steel, with or without nuts or washers, having shanks or threads with a diameter of less than 6 mmkg
7318.15.20.20Track bolts of iron or steel, having shanks or threads with a diameter of 6 mm or morekg
7318.15.20.30Structural bolts of iron or steel, diameter 6 millimeters or more, entered with nuts or washerskg
7318.15.20.41Right-angle anchor bolts of iron or steel, having shanks or threads with a diameter of 6 mm or morekg
7318.15.20.46Bent bolts of iron or steel, other than right-angle anchor bolts, having shanks or threads with a diameter of 6 mm or morekg
7318.15.20.51Round head bolts of stainless steel, having shanks or threads with a diameter of 6 mm or morekg
7318.15.20.55Round head bolts of iron or steel other than stainless steel, having shanks or threads with a diameter of 6 mm or morekg
7318.15.20.61Hexagonal head bolts of stainless steel, having shanks or threads with a diameter of 6 mm or morekg
7318.15.20.65Hexagonal head bolts of iron or steel other than stainless steel, having shanks or threads with a diameter of 6 mm or morekg
7318.15.20.91Bolts of stainless steel, with a diameter of 6 mm or more, other than track, structural, bent, round head, or hexagonal head varietieskg
7318.15.20.95Bolts of iron or steel other than stainless steel, with a diameter of 6 mm or more, other than track, structural, bent, round head, or hexagonal head varietieskg
7318.15.40.00Machine screws (excluding cap screws), length 9.5 millimeters or more, diameter 3.2 millimeters or morekgFree2.2¢/kg
7318.15.50Studs of iron or steelFree50.00%
7318.15.50.30Studs of stainless steelkg
7318.15.50.51Continuously threaded rod of alloy steelkg
7318.15.50.56Continuously threaded rod of iron or nonalloy steelkg
7318.15.50.90Studs of iron or steel, other than stainless steel or continuously threaded rodkg
7318.15.60Screws/bolts (e.g. socket screws), diameter less than 6 millimeters, excluding bolts with nuts10.00%Free (A*,AU,B,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)50.00%
7318.15.60.10Socket screws of stainless steel, diameter less than 6 millimeterskg
7318.15.60.40Socket screws of iron or steel other than stainless steel, having shanks or threads with a diameter of less than 6 mmkg
7318.15.60.70Screws or bolts of stainless steel, having shanks or threads with a diameter of less than 6 mm, other than socket screwskg
7318.15.60.80Screws or bolts of iron or steel other than stainless steel, having shanks or threads with a diameter of less than 6 mm, other than socket screwskg
7318.15.80Screws/bolts (e.g. set/cap screws), diameter 6 millimeters or more, excluding bolts with nuts10.00%Free (A*,AU,B,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)50.00%
7318.15.80.20Set screws of iron or steel, having shanks or threads with a diameter of 6 mm or morekg
7318.15.80.30Socket screws of stainless steel, having shanks or threads with a diameter of 6 mm or morekg
7318.15.80.45Socket screws of iron or steel other than stainless steel, having shanks or threads with a diameter of 6 mm or morekg
7318.15.80.55Hexagonal head screws or bolts of stainless steel, having shanks or threads with a diameter of 6 mm or morekg
7318.15.80.66Cap screws of iron or steel other than stainless steel, having hexagonal heads and shanks or threads with a diameter of 6 mm or morekg
7318.15.80.69Screws or bolts of iron or steel other than stainless steel or cap screws, having hexagonal heads and shanks or threads with a diameter of 6 mm or morekg
7318.15.80.82Screws or bolts of stainless steel, having shanks or threads with a diameter of 6 mm or more, other than set, socket, or hexagonal head varietieskg
7318.15.80.85Screws or bolts of iron or steel other than stainless steel, having shanks or threads with a diameter of 6 mm or more, other than set, socket, or hexagonal head varietieskg
7318.16Nuts of iron or steel
7318.16.00Nuts of iron or steel (e.g. lugnuts)Free0.00%
7318.16.00.15Non-locking chrome-plated lugnuts of iron or steelkg
7318.16.00.30Locking lugnuts of iron or steelkg
7318.16.00.45Lugnuts of iron or steel, other than non-locking chrome-plated or locking varietieskg
7318.16.00.60Nuts of stainless steel, other than lugnutskg
7318.16.00.85Nuts of iron or steel other than stainless steel, other than lugnutskg
7318.19Threaded articles, of iron or steel, n.e.s.
7318.19.00.00Threaded articles of iron or steel, excluding screws, bolts, and nutskg10.00%Free (A*,AU,B,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG) 2.85% (JP)50.00%
7318.21Spring washers and other lock washers, of iron or steel
7318.21.00Spring washers and other lock washers10.00%Free (A,AU,B,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG) 2.9% (JP)40.00%
7318.21.00.30Helical spring lock washers of iron or steelkg
7318.21.00.90Lock washers of iron or steel, other than helical spring lock washerskg
7318.22Washers of iron or steel (excluding spring washers and other lock washers)
7318.22.00.00Non-threaded washers, excluding lock washerskgFree1.3¢/kg
7318.23Rivets of iron or steel (excluding tubular and bifurcated rivets for particular uses)
7318.23.00.00Rivets of iron or steelkgFree2.2¢/kg
7318.24Cotters and cotter pins, of iron or steel
7318.24.00.00Cotters and cotter pinskg0.00%Free (A,AU,B,BH,CA,CL,CO,D,E,IL,JO,JP,KR,MA,MX,OM,P,PA,PE,S,SG)50.00%
7318.29Non-threaded articles, of iron or steel
7318.29.00.00Non-threaded articles, excluding washers, rivets, or cotterskg0.00%Free (A,AU,B,BH,CA,CL,CO,D,E,IL,JO,JP,KR,MA,MX,OM,P,PA,PE,S,SG)50.00%

Disclaimer: The HTS code data and duty rates shown on this page are sourced from the Harmonized Tariff Schedule of the United States, Revision 15 (2025), published by the U.S. International Trade Commission (USITC). This information is provided for general reference purposes only. Credlix is a trade finance platform, not a licensed customs broker, freight forwarder, or trade law firm. It makes no warranty, express or implied, regarding the accuracy, completeness, or fitness of this data. Always verify against the latest schedule at hts.usitc.gov before making any import decisions.

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