Import/export HS code 73181660: Self-locking nuts
Nuts designed to lock in place, preventing loosening over time
Why this is important if you are looking for potential customers in the UK:
- It helps you understand the market size for your product in the UK.
- It provides you with a list of potential leads who have bought similar products.
* UK only, last 24 months analysed
Imports by country
What this shows: Import market volume by exporter country into the UK.
Top 5 values
| Country | £ |
|---|---|
| United States | 13,730,149 |
| Italy | 11,097,656 |
| Germany | 10,843,467 |
| France | 9,725,804 |
| China | 6,207,917 |
Countries rank shift: first 12 months vs second 12 months
What this shows: Countries are on both sides of the Sankey. Left side is sorted by first 12-month volume, right side by second 12-month volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| United States | 6,285,024 | 7,445,125 | +1,160,101 |
| Italy | 3,604,249 | 7,493,407 | +3,889,158 |
| Germany | 5,235,906 | 5,607,561 | +371,655 |
| France | 4,165,524 | 5,560,280 | +1,394,756 |
| China | 2,186,315 | 4,021,602 | +1,835,287 |
| Taiwan | 3,010,006 | 677,361 | -2,332,645 |
| Belgium | 923,201 | 1,346,329 | +423,128 |
| India | 397,806 | 866,672 | +468,866 |
| Netherlands | 466,906 | 723,537 | +256,631 |
| Austria | 162,672 | 411,809 | +249,137 |
Imports by country of origin
What this shows: Import volume by production origin country. Differences from exporter-country data can indicate re-export routes.
Top 5 values
| Origin | £ |
|---|---|
| Italy | 12,050,113 |
| United States | 11,342,038 |
| France | 9,244,795 |
| Taiwan | 8,893,044 |
| Germany | 7,343,856 |
Country of origin rank shift: first 12 months vs second 12 months
What this shows: Origin countries are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Origin | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Italy | 4,036,945 | 8,013,168 | +3,976,223 |
| United States | 5,057,099 | 6,284,939 | +1,227,840 |
| France | 3,910,962 | 5,333,833 | +1,422,871 |
| Taiwan | 5,017,954 | 3,875,090 | -1,142,864 |
| Germany | 3,355,305 | 3,988,551 | +633,246 |
| China | 2,564,512 | 3,155,373 | +590,861 |
| India | 447,397 | 985,826 | +538,429 |
| Malaysia | 760,338 | 662,236 | -98,102 |
| Turkey | 193,502 | 575,820 | +382,318 |
| Denmark | 309,280 | 360,943 | +51,663 |
Importers across UK regions
What this shows: Number of importing companies by UK ITL2 region.
Top 5 values
| UK region | Companies |
|---|---|
| West Midlands | 46 |
| Berkshire, Buckinghamshire and Oxfordshire | 40 |
| Surrey, East and West Sussex | 28 |
| Greater Manchester | 24 |
| Shropshire and Staffordshire | 20 |
UK regions rank shift: first 12 months vs second 12 months
What this shows: UK regions are on both sides of the Sankey. Left side is sorted by first 12-month importer count, right side by second 12-month importer count, so rank changes are visible from line crossings.
Top 10 values
| UK region | First 12m | Second 12m | Delta |
|---|---|---|---|
| West Midlands | 38 | 32 | -6 |
| Berkshire, Buckinghamshire and Oxfordshire | 32 | 31 | -1 |
| Surrey, East and West Sussex | 16 | 21 | +5 |
| Greater Manchester | 11 | 19 | +8 |
| Shropshire and Staffordshire | 13 | 17 | +4 |
| Inner London - West | 12 | 16 | +4 |
| Derbyshire and Nottinghamshire | 13 | 15 | +2 |
| Bedfordshire and Hertfordshire | 12 | 12 | +0 |
| Herefordshire, Worcestershire and Warwickshire | 8 | 11 | +3 |
| Essex | 11 | 9 | -2 |
Import volume by transport
What this shows: Import value by transport mode used to bring goods into the UK.
Top 5 values
| Transport | £ |
|---|---|
| Air transport | 31,658,984 |
| Sea transport (not vehicle on ferry) | 14,932,164 |
| Roll on Roll off (RORO) | 14,555,920 |
| Other | 1,230,409 |
| Road transport | 33,168 |
Transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Air transport | 12,857,902 | 18,801,082 | +5,943,180 |
| Sea transport (not vehicle on ferry) | 7,186,901 | 7,745,263 | +558,362 |
| Roll on Roll off (RORO) | 6,039,685 | 8,516,235 | +2,476,550 |
| Other | 984,735 | 245,674 | -739,061 |
| Road transport | 11,466 | 21,702 | +10,236 |
| Rail transport | 969 | 0 | -969 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| London Heathrow Airport | 10,909,085 |
| East Midlands Airport | 9,903,544 |
| Felixstowe | 7,800,893 |
| Dover | 7,168,061 |
| Birmingham Airport | 4,403,249 |
Port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| London Heathrow Airport | 4,227,042 | 6,682,043 | +2,455,001 |
| East Midlands Airport | 4,439,062 | 5,464,482 | +1,025,420 |
| Felixstowe | 4,227,574 | 3,573,319 | -654,255 |
| Dover | 2,993,589 | 4,174,472 | +1,180,883 |
| Birmingham Airport | 1,337,563 | 3,065,686 | +1,728,123 |
| Eurotunnel | 1,522,772 | 1,839,919 | +317,147 |
| London Gateway Port | 1,092,808 | 1,859,764 | +766,956 |
| London Stansted Airport | 1,442,151 | 1,353,844 | -88,307 |
| Southampton | 1,052,210 | 1,021,999 | -30,211 |
| Thamesport | 709,844 | 1,012,107 | +302,263 |
Importer companies by SIC division
What this shows: Industry breakdown (SIC divisions) of importing companies.
Top 5 values
| SIC | Companies |
|---|---|
| Wholesale trade, except of motor vehicles and motorcycles | 104 |
| Manufacture of fabricated metal products, except machinery and equipment | 49 |
| Manufacture of machinery and equipment n.e.c. | 43 |
| Wholesale and retail trade and repair of motor vehicles and motorcycles | 41 |
| Manufacture of other transport equipment | 34 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-04 | 107 |
| 2026-03 | 101 |
| 2026-02 | 99 |
| 2026-01 | 91 |
| 2025-12 | 93 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| T.R. FASTENINGS LIMITED | 111 |
| AIRBUS OPERATIONS LIMITED | 111 |
| HEXSTONE LTD. | 109 |
| PRESTWICK AEROSYSTEMS LIMITED | 108 |
| NISSAN MOTOR MANUFACTURING (UK) LIMITED | 105 |
| OPTIMAS OE SOLUTIONS LTD | 104 |
| GE AIRCRAFT ENGINE SERVICES LIMITED | 103 |
| BAE SYSTEMS (OPERATIONS) LIMITED | 96 |
| GE CALEDONIAN LIMITED | 96 |
| HARRISON & CLOUGH,LIMITED | 95 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 54m+ | 209 |
| 1m-15m | 142 |
| 15m-54m | 53 |
| Other | 31 |
| 0-1m | 20 |
Import seasonality
What this shows: Average monthly import pattern from historical data.
Exports by country
What this shows: Export market volume by destination country from the UK.
Top 5 values
| Country | £ |
|---|---|
| United States | 9,056,248 |
| Germany | 6,311,169 |
| Mexico | 4,583,890 |
| Saudi Arabia | 2,851,327 |
| Malaysia | 2,525,029 |
Export countries rank shift: first 12 months vs second 12 months
What this shows: Destination countries are on both sides of the Sankey. Left side is sorted by first 12-month export volume, right side by second 12-month export volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| United States | 4,703,768 | 4,352,480 | -351,288 |
| Germany | 2,611,305 | 3,699,864 | +1,088,559 |
| Mexico | 2,280,069 | 2,303,821 | +23,752 |
| Saudi Arabia | 2,285,283 | 566,044 | -1,719,239 |
| Malaysia | 1,440,503 | 1,084,526 | -355,977 |
| China, Hong Kong Special Administrative Region | 907,271 | 1,607,694 | +700,423 |
| Singapore | 701,397 | 1,396,455 | +695,058 |
| Italy | 632,327 | 1,126,746 | +494,419 |
| India | 880,388 | 853,774 | -26,614 |
| Canada | 807,637 | 710,115 | -97,522 |
Exports by country of origin
What this shows: Export volume by production origin country. For re-exports, indicates where goods originated before UK export.
Top 5 values
| Origin | £ |
|---|---|
| Ireland | 219,249 |
| Nicaragua | 41,978 |
| XI | 27,663 |
| China | 19,977 |
| Netherlands | 3,569 |
Export origin countries rank shift: first 12 months vs second 12 months
What this shows: Origin countries are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Origin | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Ireland | 75,845 | 143,404 | +67,559 |
| Nicaragua | 21,650 | 20,328 | -1,322 |
| XI | 22,530 | 5,133 | -17,397 |
| China | 3,213 | 16,764 | +13,551 |
| Netherlands | 4 | 3,565 | +3,561 |
| Germany | 822 | 620 | -202 |
| United States | 948 | 219 | -729 |
| Sweden | 786 | 14 | -772 |
| Spain | 0 | 493 | +493 |
| Finland | 0 | 329 | +329 |
Export volume by transport
What this shows: Export value by transport mode used to ship goods from the UK.
Top 5 values
| Transport | £ |
|---|---|
| Air transport | 38,053,685 |
| Roll on Roll off (RORO) | 6,091,099 |
| Sea transport (not vehicle on ferry) | 4,053,300 |
| Other | 317,817 |
Export transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Air transport | 18,366,161 | 19,687,524 | +1,321,363 |
| Roll on Roll off (RORO) | 3,209,156 | 2,881,943 | -327,213 |
| Sea transport (not vehicle on ferry) | 2,404,606 | 1,648,694 | -755,912 |
| Other | 126,486 | 191,331 | +64,845 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| London Heathrow Airport | 15,526,779 |
| East Midlands Airport | 7,888,287 |
| Dover / Eurotunnel | 4,199,702 |
| London Stansted Airport | 3,527,091 |
| ZLC | 3,181,702 |
Export port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| London Heathrow Airport | 7,088,161 | 8,438,618 | +1,350,457 |
| East Midlands Airport | 3,915,599 | 3,972,688 | +57,089 |
| Dover / Eurotunnel | 2,271,203 | 1,928,499 | -342,704 |
| London Stansted Airport | 1,881,561 | 1,645,530 | -236,031 |
| ZLC | 1,274,698 | 1,907,004 | +632,306 |
| Warton Aerodrome | 2,180,873 | 472,031 | -1,708,842 |
| Glasgow Airport | 723,703 | 1,113,040 | +389,337 |
| Southampton | 837,823 | 953,705 | +115,882 |
| Manchester Airport | 301,901 | 1,132,112 | +830,211 |
| London Gateway Port | 860,507 | 338,322 | -522,185 |
Quick facts
HS code: 73181660
Coverage: United Kingdom, most metrics for the last 24 months
Description: Nuts designed to lock in place, preventing loosening over time