HTS 7318.15.00 — rate composition
Base rate and applicable layers for this code, with an embedded calculator.
HTS 7318.15.00 (Threaded screws and bolts, of iron or steel) carries an MFN general rate of 9% + 0.5¢/kg (sample data) on U.S. imports; no China 301 / 232 layer applies to this code under the current ruleset. Data as of 2026-10-07 (ruleset v0.3.4).
Threaded screws and bolts, of iron or steel
钢铁制螺丝/螺栓
USITC: 9% + 0.5¢/kg
Duty layers
This code carries a compound/specific MFN rate (per kg, per unit, etc.) — layer amounts require net weight or units. Use the calculator below for the full layer-by-layer stack.
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U.S. full regime: MFN + 301 + 232 + MPF/HMF
Selected: Threaded screws and bolts, of iron or steel
FAQ
What is the U.S. import tariff rate for HTS 7318.15.00?
HTS 7318.15.00 (Threaded screws and bolts, of iron or steel) carries an MFN general rate of 9% + 0.5¢/kg (sample data) on U.S. imports; no China 301 / 232 layer applies to this code under the current ruleset. Data as of 2026-10-07 (ruleset v0.3.4).
Do MPF/HMF fees apply to HTS 7318.15.00?
Yes. Fees are not duties and are charged per entry: MPF is 0.3464% of declared value ($34.58–$670.86 per entry, FY2027), plus 0.125% HMF for sea freight; postal shipments ≤$2,500 use informal entry with fixed fees instead.
How does HTS 7318.15.00 differ from an HS code and Schedule B?
All three share the same root: HS is the World Customs Organization's 6-digit international baseline; HTS is the 10-digit U.S. import classification (first 6 digits identical to HS — 7318.15.00 on this page is shown at the 8-digit HTS level); Schedule B is the U.S. export code (first 6 digits match HTS, with Census-specific 8–10 digit suffixes). Use this HTS code for U.S. import duty, and Schedule B when exporting from the U.S. Full comparison: /en/guides/hts-vs-hs-vs-schedule-b
Related codes in Chapter 73 · Articles of iron or steel
- 7302.10.10Railway or tramway track construction material of iron or steel, the following: rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for jointing or fixing rails: — Rails: — Of iron or nonalloy steel
- 7302.10.50Railway or tramway track construction material of iron or steel, the following: rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for jointing or fixing rails: — Rails: — Of alloy steel
- 7303.00.00Tubes, pipes and hollow profiles, of cast iron
- 7304.11.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: — Line pipe of a kind used for oil or gas pipelines: — Of stainless steel
- 7304.19.10Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: — Line pipe of a kind used for oil or gas pipelines: — Other: — Of iron or nonalloy steel
- 7304.19.50Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: — Line pipe of a kind used for oil or gas pipelines: — Other: — Of other alloy steel
- 7304.22.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: — Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: — Drill pipe of stainless steel
- 7304.23.60Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: — Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: — Other drill pipe: — Of alloy steel
- 7304.24.30Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: — Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: — Other, of stainless steel: — Casing: — Threaded or coupled
- 7304.24.40Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: — Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: — Other, of stainless steel: — Casing: — Other
- 7304.24.60Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: — Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: — Other, of stainless steel: — Tubing
- 7304.29.10Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: — Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: — Other: — Casing: — Of iron or nonalloy steel: — Threaded or coupled
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