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HTS 7318

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

59 lines US HTS, Harmonized Tariff Schedule of the United States – 2026 HTS Revision 20

CodeDescriptionUnitGeneralSpecialColumn 2Source
Threaded articles
7318.11.00.00Coach screwskg12.5%Free (A+,AU,B,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG)25%USITC
7318.12.00.00Other wood screwskg12.5%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%USITC
7318.13.00Screw hooks and screw rings5.7%Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
7318.13.00.30Having shanks or threads with a diameter of less than 6 mmkg5.7%Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
7318.13.00.60Having shanks or threads with a diameter of 6 mm or morekg5.7%Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
7318.14Self-tapping screwsUSITC
7318.14.10Having shanks or threads with a diameter of less than 6 mm6.2%Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 3.1% (JP)45%USITC
7318.14.10.30Of stainless steelkg6.2%Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 3.1% (JP)45%USITC
7318.14.10.60Otherkg6.2%Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 3.1% (JP)45%USITC
7318.14.50Having shanks or threads with a diameter of 6 mm or more8.6%Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 4.3% (JP)45%USITC
7318.14.50.20Of stainless steelkg8.6%Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 4.3% (JP)45%USITC
7318.14.50.80Otherkg8.6%Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 4.3% (JP)45%USITC
7318.15Other screws and bolts, whether or not with their nuts or washersUSITC
7318.15.20Bolts and bolts and their nuts or washers entered or exported in the same shipmentFree3.5%USITC
7318.15.20.10Having shanks or threads with a diameter of less than 6 mmkgFree3.5%USITC
Having shanks or threads with a diameter of 6 mm or more
7318.15.20.20Track boltskgFree3.5%USITC
7318.15.20.30Structural boltskgFree3.5%USITC
Bent bolts
7318.15.20.41Right-angle anchor boltskgFree3.5%USITC
7318.15.20.46OtherkgFree3.5%USITC
Other
With round heads
7318.15.20.51Of stainless steelkgFree3.5%USITC
7318.15.20.55OtherkgFree3.5%USITC
With hexagonal heads
7318.15.20.61Of stainless steelkgFree3.5%USITC
7318.15.20.65OtherkgFree3.5%USITC
Other
7318.15.20.91Of stainless steelkgFree3.5%USITC
7318.15.20.95OtherkgFree3.5%USITC
7318.15.40.00Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap screws)kgFree2.2¢/kgUSITC
7318.15.50StudsFree45%USITC
7318.15.50.30Of stainless steelkgFree45%USITC
Other
Continuously threaded rod
7318.15.50.51Of alloy steelkgFree45%USITC
7318.15.50.56OtherkgFree45%USITC
7318.15.50.90OtherkgFree45%USITC
Other
7318.15.60Having shanks or threads with a diameter of less than 6 mm6.2%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
Socket screws
7318.15.60.10Of stainless steelkg6.2%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
7318.15.60.40Otherkg6.2%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
Other
7318.15.60.70Of stainless steelkg6.2%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
7318.15.60.80Otherkg6.2%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
7318.15.80Having shanks or threads with a diameter of 6 mm or more8.5%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
7318.15.80.20Set screwskg8.5%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
Other
Socket screws
7318.15.80.30Of stainless steelkg8.5%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
7318.15.80.45Otherkg8.5%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
Other
With hexagonal heads
7318.15.80.55Of stainless steelkg8.5%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
Other
7318.15.80.66Cap screwskg8.5%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
7318.15.80.69Otherkg8.5%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
Other
7318.15.80.82Of stainless steelkg8.5%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
7318.15.80.85Otherkg8.5%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%USITC
7318.16.00NutsFree0.5%USITC
Lugnuts
7318.16.00.15Non-locking chrome-platedkgFree0.5%USITC
7318.16.00.30LockingkgFree0.5%USITC
7318.16.00.45OtherkgFree0.5%USITC
Other
7318.16.00.60Of stainless steelkgFree0.5%USITC
7318.16.00.85OtherkgFree0.5%USITC
7318.19.00.00Otherkg5.7%Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.85% (JP)45%USITC
Non-threaded articles
7318.21.00Spring washers and other lock washers5.8%Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.9% (JP)35%USITC
7318.21.00.30Helical spring lock washerskg5.8%Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.9% (JP)35%USITC
7318.21.00.90Otherkg5.8%Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.9% (JP)35%USITC
7318.22.00.00Other washerskgFree1.3¢/kgUSITC
7318.23.00.00RivetskgFree2.2¢/kgUSITC
7318.24.00.00Cotters and cotter pinskg3.8%Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG)45%USITC
7318.29.00.00Otherkg2.8%Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG)45%USITC

The table scrolls sideways.

Source: USITC, Harmonized Tariff Schedule of the United States – 2026 HTS Revision 20, effective 28 September 2026. Heading 7318 at USITC

Not shown: the additional duties of Chapter 99 (such as Section 301 and Section 232), anti-dumping and countervailing duties, quotas and the legal notes.

This page is general information, not legal advice and not a classification decision. Tariff texts and rates change: check the publisher's current schedule, and ask the customs authority for a binding ruling where the answer matters.

All headings of chapter 73: Articles of iron or steel