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Official data Source: US Census Bureau international trade data Data through August 2026 · updated monthly

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HS 7318.15

Steel screws and bolts

Threaded screws and bolts not elsewhere specified, with or without their nuts or washers, of iron or steel

In short

  • The US imported $2.47B of this product over the 12 months to August 2026, down 11% on the year before.
  • Taiwan is the largest supplier, with 19.1% of US imports; China is next, with 18.8%.
  • China has the lowest price, but landed at a US port with freight and duty India is cheaper: $3.37/kg against $3.45/kg.
  • Duty paid averaged 55.6% of the value of imports in August 2026, up 1.2 points on a year earlier.
  • US exports were $2.60B over the last 12 months; the largest market is Mexico, with 37.2%.

US imports, Aug 2026

$221.3M

↑ +0.8% vs Aug 2025

Last 12 months

$2.47B

↓ −11% vs the 12 months before

Average duty paid

55.6%

↑ +1.2 pts vs Aug 2025

Top supplier

Taiwan

19.1% of US imports

US imports by month

The last 13 months, so the same month a year ago is on the left. August 2026 is highlighted. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAugChina ↓
Show the numbers
MonthUS imports
August 2025$219.5M
September 2025$214.3M
October 2025$201.7M
November 2025$179.8M
December 2025$197.9M
January 2026$207.4M
February 2026$185.1M
March 2026$217.3M
April 2026$212.3M
May 2026$212.5M
June 2026$214.5M
July 2026$210.3M
August 2026$221.3M

What changed

  • US imports were $221.3M in August 2026, up 5.2% from July 2026 and up 0.8% from August 2025.
  • Over the 12 months to August 2026 they totalled $2.47B, down 11% on the 12 months before.
  • Market shares barely moved since July 2026: no supplier with 3% or more of the market gained or lost 2 points.
  • Average prices from the top 3 suppliers stayed within 5% of July 2026.
  • Duty paid on imports from Canada rose from 29.5% to 34.2% of their value since July 2026.

US trade by year

US imports were $2.47B in the 12 months to Aug 2026, up 24% on the 12 months to Aug 2017. US exports were $2.60B, up 24%. In January 2022 the HS 2022 revision moved some goods between this code and 9021.10 and 9021.29, so part of a change across the dashed line can be the revision. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

2017201820192020202120222023202420252026HS 2022China ↑Duty ↑
Show the numbers
PeriodUS imports
12 months to Aug 2017$2.00B
12 months to Aug 2018$2.30B
12 months to Aug 2019$2.51B
12 months to Aug 2020$2.07B
12 months to Aug 2021$2.26B
12 months to Aug 2022$3.03B
12 months to Aug 2023$2.97B
12 months to Aug 2024$2.75B
12 months to Aug 2025$2.78B
12 months to Aug 2026$2.47B
  • Taiwan
  • China
  • Japan
  • Germany
  • All countries
Share of US imports
Show the numbers
PeriodTaiwanChinaJapanGermany
12 months to Aug 201723.7%23.9%15.5%6.3%
12 months to Aug 201824.0%26.4%13.2%6.0%
12 months to Aug 201924.5%25.2%11.6%7.3%
12 months to Aug 202025.3%18.6%11.7%9.5%
12 months to Aug 202124.7%17.4%13.0%8.3%
12 months to Aug 202228.5%22.0%8.7%5.9%
12 months to Aug 202326.4%18.8%8.6%6.6%
12 months to Aug 202422.0%18.1%11.3%7.5%
12 months to Aug 202521.4%18.1%11.1%6.4%
12 months to Aug 202620.1%17.2%11.4%7.2%
Duty paid, % of value
Show the numbers
PeriodTaiwanChinaJapanGermanyAll countries
12 months to Aug 20173.4%2.0%4.2%3.2%2.5%
12 months to Aug 20183.4%2.0%4.3%3.5%2.5%
12 months to Aug 20193.5%14.3%4.2%3.1%5.7%
12 months to Aug 20203.6%26.3%3.9%2.3%7.1%
12 months to Aug 20213.5%26.6%4.1%3.0%7.0%
12 months to Aug 20223.8%27.2%4.0%3.5%8.4%
12 months to Aug 20233.8%27.3%4.2%3.5%7.6%
12 months to Aug 20243.6%27.3%4.2%3.4%7.4%
12 months to Aug 202518.1%51.7%19.7%20.8%23.7%
12 months to Aug 202649.7%80.9%50.9%48.5%52.8%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$2.47B−11%52.8%+29.1 pts$2.60B+3.0%
12 months to Aug 2025$2.78B+1.3%23.7%+16.3 pts$2.52B+0.4%
12 months to Aug 2024$2.75B−7.5%7.4%−0.2 pts$2.51B+7.3%
12 months to Aug 2023$2.97B−2.0%7.6%−0.8 pts$2.34B+10.0%
12 months to Aug 2022HS 2022 revision$3.03B+34%8.4%+1.4 pts$2.13B+12%
12 months to Aug 2021$2.26B+9.4%7.0%−0.1 pts$1.90B+7.1%
12 months to Aug 2020$2.07B−18%7.1%+1.4 pts$1.77B−14%
12 months to Aug 2019$2.51B+9.0%5.7%+3.2 pts$2.05B+0.5%
12 months to Aug 2018$2.30B+15%2.5%0.0 pts$2.04B−2.7%
12 months to Aug 2017$2.00B2.5%$2.10B

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Landed cost by origin, below, adds freight and duty to the price.

CountryUS importsShareAverage priceDuty paidLast 13 months
Taiwan$42.3M19.1%−2.0 pts$3.55/kg+1.2%52.9%+5.9 pts
China$41.6M18.8%+0.7 pts$1.82/kg+9.5%76.7%−17.7 pts
Japan$23.9M10.8%−0.4 pts$4.67/kg−2.2%52.9%+2.2 pts
Germany$16.0M7.2%−1.0 pts$4.62/kg−41%52.3%+1.9 pts
Korea, South$14.9M6.8%−1.3 pts$4.12/kg−12%49.4%+10.5 pts
India$12.6M5.7%+0.1 pts$2.04/kg+0.7%51.0%+2.0 pts
Canada$11.9M5.4%+0.9 pts$4.42/kg−2.0%34.2%+2.9 pts
Italy$11.4M5.1%+1.7 pts$4.50/kg−7.3%53.6%+3.8 pts
Other countries (54)$46.6M21.1%+1.2 pts$4.20/kg+21%50.8%+8.2 pts
All countries$221.3M100.0%$3.18/kg+3.9%55.6%+1.2 pts

The 3 largest suppliers had 48.7% of US imports over the last 12 months.

Landed cost by origin

What importers paid to land this product at a US port from each main supplier, June–August 2026: the price, freight and insurance to the first US port, and duty, per unit. Suppliers with 3% or more of these imports, cheapest landed first. Small figures under landed cost are the change from the same months a year earlier.

  • Price
  • Freight and insurance
  • Duty
CountryPriceFreight and insuranceDutyLanded costMake-up
India$2.09/kg$0.23/kg10.9% of price$1.06/kg50.6% of price$3.37/kg+5.9%
China$1.83/kg$0.22/kg12.0% of price$1.40/kg76.8% of price$3.45/kg−2.4%
Taiwan$3.44/kg$0.27/kg7.7% of price$1.82/kg52.8% of price$5.53/kg+5.0%
Canada$4.62/kg$0.09/kg1.9% of price$1.44/kg31.1% of price$6.14/kg+1.9%
Italy$4.26/kg$0.17/kg4.0% of price$2.26/kg53.0% of price$6.69/kg+14%
Korea, South$4.40/kg$0.26/kg5.9% of price$2.20/kg49.9% of price$6.86/kg+6.3%
Japan$4.64/kg$0.22/kg4.8% of price$2.46/kg52.9% of price$7.32/kg−5.7%
Germany$4.90/kg$0.16/kg3.2% of price$2.49/kg50.8% of price$7.54/kg−36%
All countries$3.19/kg$0.22/kg7.0% of price$1.75/kg54.9% of price$5.16/kg+4.0%

Landed at a US port, India was cheapest, at $3.37/kg: 2.2% below China.

China had the lowest price before freight and duty, $1.83/kg, but they added 88.8% to it.

Landed cost from Germany fell 36% on a year earlier, to $7.54/kg, mostly on price: $7.72/kg then, $4.90/kg now.

How the market is shifting

Taiwan lost the most share: 20.1% of US imports over the last 12 months, down from 21.4% in the 12 months before. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

  • Taiwan
  • China
  • Japan
  • Germany
  • All countries
Share of US imports
Show the numbers
MonthTaiwanChinaJapanGermany
September 202423.1%18.1%10.1%7.5%
October 202420.7%16.4%12.7%6.7%
November 202420.8%16.7%11.3%7.4%
December 202423.3%19.2%10.0%5.6%
January 202520.0%21.6%11.4%4.8%
February 202521.6%19.0%9.1%6.6%
March 202521.9%15.7%12.0%5.8%
April 202520.7%16.0%11.8%5.9%
May 202520.0%18.7%11.5%6.0%
June 202522.3%17.8%10.5%6.7%
July 202521.1%19.7%11.2%6.5%
August 202521.1%18.2%11.2%8.2%
September 202520.9%18.2%10.3%8.3%
October 202520.1%17.8%12.7%7.1%
November 202520.1%16.7%12.1%6.9%
December 202521.1%17.4%11.3%5.6%
January 202621.7%18.1%10.2%5.7%
February 202620.3%16.3%10.8%7.2%
March 202620.5%14.3%12.2%7.8%
April 202621.0%14.5%12.9%7.4%
May 202618.1%18.0%12.1%8.2%
June 202619.4%17.0%10.7%7.4%
July 202618.6%19.1%11.2%7.0%
August 202619.1%18.8%10.8%7.2%
Duty paid, % of value
Show the numbers
MonthTaiwanChinaJapanGermanyAll countries
September 20243.3%27.0%4.5%3.6%7.3%
October 20243.7%27.1%4.1%4.1%6.9%
November 20243.7%26.9%4.3%3.5%6.9%
December 20243.8%27.2%4.0%3.5%7.5%
January 20253.6%27.2%4.1%4.1%8.1%
February 20254.0%28.0%4.1%3.3%7.7%
March 202514.1%50.9%10.9%18.2%19.3%
April 202527.8%70.9%27.9%28.7%33.5%
May 202528.6%72.8%29.1%29.4%35.8%
June 202542.4%89.4%44.8%48.1%50.6%
July 202548.1%94.9%51.3%49.7%55.8%
August 202547.0%94.4%50.7%50.4%54.4%
September 202547.6%94.1%48.7%47.7%54.5%
October 202547.6%92.5%49.6%48.6%54.3%
November 202546.3%84.9%49.7%46.5%51.6%
December 202547.5%81.6%51.0%51.6%52.1%
January 202648.2%81.3%50.3%48.0%51.9%
February 202648.2%79.8%50.1%46.1%50.1%
March 202648.5%72.3%49.5%44.6%47.9%
April 202651.8%76.4%50.9%51.4%52.5%
May 202651.8%76.8%52.5%45.2%53.7%
June 202652.7%77.1%52.7%48.6%53.9%
July 202653.0%76.7%53.2%51.4%55.3%
August 202652.9%76.7%52.9%52.3%55.6%

Tariff actions touching this product

When the duty paid on this product changed and stayed changed, for its main suppliers and all countries, newest first, with the Federal Register notices that named the product in the 3 months before. Rates are medians of the 4 months either side, less any usual seasonal swing. A change shows what happened to duty paid, not why; read each notice for what it did.

  1. November 2025 · Duty paid: China 94.2% → 81.5%.
  2. April–May 2025 · Duty paid: Taiwan 9.0% → 44.7%, China 27.6% → 81.1%, Japan 7.6% → 47.8%, all countries 13.9% → 52.3%.
  3. June 2019 · Duty paid: China 12.3% → 26.6%.
  4. October 2018 · Duty paid: China 1.9% → 11.9%.

Where it enters the US

Main ports of entry over the 12 months to August 2026: US imports and share.

  1. Los Angeles, CA$523.2M · 21.1%
  2. Newark, NJ$258.8M · 10.5%
  3. Houston, TX$169.6M · 6.9%
  4. Savannah, GA$157.7M · 6.4%
  5. Tacoma, WA$137.4M · 5.6%

Where US exports go

US exports were $244.4M in August 2026, up 12% from August 2025, and $2.60B over the last 12 months, up 3.0% on the 12 months before. Fastest-growing market with 3% or more of US exports: United Kingdom, up 23%.

MarketLast 12 monthsSharevs 12 months before
Mexico$964.9M37.2%−0.7%
Canada$608.5M23.4%−3.4%
China$97.6M3.8%+14%
United Kingdom$78.1M3.0%+23%
Germany$67.0M2.6%+31%
Brazil$64.3M2.5%−0.9%
France$54.9M2.1%+23%
Japan$50.7M2.0%+0.9%
Other countries (154)$611.1M23.5%+9.6%
All countries$2.60B100.0%+3.0%

Other products under heading 7318: screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers and similar articles, of iron or steel. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Nuts, threaded, of iron or steelHS 7318.16$1.24B$1.25B
Self-tapping screws, threaded, of iron or steelHS 7318.14$941.0M$143.0M
Nonthreaded articles (fasteners) not elsewhere specified, of iron or steelHS 7318.29$304.0M$562.7M
Washers, other than lock washers, of iron or steelHS 7318.22$239.1M$359.5M
Threaded articles of iron or steel not elsewhere specifiedHS 7318.19$141.6M$324.4M
Rivets of iron or steelHS 7318.23$55.5M$293.0M
Cotters and cotter pins, of iron or steelHS 7318.24$62.3M$216.7M
Spring washers and other lock washers, of iron or steelHS 7318.21$81.5M$104.4M
About these figures
  • Source: US Census Bureau international trade data, not seasonally adjusted, in US dollars. Retrieved November 3, 2026.
  • US imports are general imports at customs value, which excludes freight and insurance. Exports are at free-alongside-ship value.
  • Average price is customs value divided by quantity (kilograms), across all of the product's 10-digit lines.
  • Duty paid is the duty Census calculates on each country's imports for consumption, as a share of their value. It moves with tariff changes, exemptions and the mix of goods within the product.
  • Landed cost adds Census's import charges (freight, insurance and other costs of bringing the goods to the first US port) and calculated duty to the customs value, per unit, across the product's 10-digit lines. It leaves out antidumping and countervailing duties, customs fees and transport inland. Prices are averages across the goods within the code, so a lower one can mean cheaper goods, not the same goods for less.
  • Census revises recent months, so figures can change slightly. These are estimates for research and planning, not customs or legal advice.

Try bamboo cutting boards, green coffee or 7318.15