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 | 12,426,730 |
| Germany | 10,340,491 |
| France | 8,435,533 |
| Italy | 8,009,524 |
| China | 5,192,034 |
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 | 6,032,341 | 6,394,389 | +362,048 |
| Germany | 5,672,968 | 4,667,523 | -1,005,445 |
| France | 4,343,687 | 4,091,846 | -251,841 |
| Italy | 3,485,079 | 4,524,445 | +1,039,366 |
| China | 2,233,279 | 2,958,755 | +725,476 |
| Taiwan | 2,965,151 | 1,605,372 | -1,359,779 |
| Belgium | 787,338 | 1,232,588 | +445,250 |
| India | 420,599 | 636,626 | +216,027 |
| Netherlands | 608,285 | 421,446 | -186,839 |
| Austria | 200,542 | 220,249 | +19,707 |
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 | £ |
|---|---|
| United States | 10,129,332 |
| Taiwan | 9,156,005 |
| Italy | 8,327,499 |
| France | 8,281,422 |
| Germany | 6,648,485 |
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 £ |
|---|---|---|---|
| United States | 4,780,911 | 5,348,421 | +567,510 |
| Taiwan | 5,105,836 | 4,050,169 | -1,055,667 |
| Italy | 4,056,588 | 4,270,911 | +214,323 |
| France | 3,756,710 | 4,524,712 | +768,002 |
| Germany | 3,460,354 | 3,188,131 | -272,223 |
| China | 2,617,006 | 2,703,376 | +86,370 |
| Malaysia | 818,051 | 618,122 | -199,929 |
| India | 482,425 | 654,222 | +171,797 |
| Denmark | 395,505 | 346,427 | -49,078 |
| Belgium | 342,792 | 185,614 | -157,178 |
Importers across UK regions
What this shows: Number of importing companies by UK ITL2 region.
Top 5 values
| UK region | Companies |
|---|---|
| West Midlands | 47 |
| Berkshire, Buckinghamshire and Oxfordshire | 39 |
| Surrey, East and West Sussex | 26 |
| Greater Manchester | 21 |
| Inner London - West | 18 |
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 | 39 | 33 | -6 |
| Berkshire, Buckinghamshire and Oxfordshire | 29 | 29 | +0 |
| Surrey, East and West Sussex | 17 | 19 | +2 |
| Greater Manchester | 11 | 14 | +3 |
| Inner London - West | 14 | 12 | -2 |
| Derbyshire and Nottinghamshire | 10 | 12 | +2 |
| Shropshire and Staffordshire | 10 | 16 | +6 |
| Bedfordshire and Hertfordshire | 13 | 8 | -5 |
| Herefordshire, Worcestershire and Warwickshire | 8 | 11 | +3 |
| Essex | 10 | 10 | +0 |
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 | 26,236,170 |
| Sea transport (not vehicle on ferry) | 14,511,451 |
| Roll on Roll off (RORO) | 12,698,846 |
| Other | 1,506,617 |
| Road transport | 18,873 |
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 | 12,530,338 | 13,705,832 | +1,175,494 |
| Sea transport (not vehicle on ferry) | 7,793,791 | 6,717,660 | -1,076,131 |
| Roll on Roll off (RORO) | 6,277,580 | 6,421,266 | +143,686 |
| Other | 866,666 | 639,951 | -226,715 |
| Road transport | 11,913 | 6,960 | -4,953 |
| Rail transport | 0 | 969 | +969 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| London Heathrow Airport | 8,865,528 |
| East Midlands Airport | 8,509,150 |
| Felixstowe | 8,141,382 |
| Dover | 6,416,070 |
| Birmingham Airport | 3,156,372 |
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 | 4,046,778 | 4,818,750 | +771,972 |
| East Midlands Airport | 4,696,662 | 3,812,488 | -884,174 |
| Felixstowe | 4,512,485 | 3,628,897 | -883,588 |
| Dover | 3,316,484 | 3,099,586 | -216,898 |
| Birmingham Airport | 1,267,616 | 1,888,756 | +621,140 |
| Eurotunnel | 1,396,256 | 1,759,881 | +363,625 |
| London Stansted Airport | 1,432,030 | 1,237,294 | -194,736 |
| London Gateway Port | 1,110,656 | 1,203,533 | +92,877 |
| Southampton | 921,402 | 970,484 | +49,082 |
| Thamesport | 938,922 | 733,151 | -205,771 |
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 | 93 |
| Manufacture of fabricated metal products, except machinery and equipment | 49 |
| Wholesale and retail trade and repair of motor vehicles and motorcycles | 41 |
| Manufacture of machinery and equipment n.e.c. | 39 |
| Manufacture of other transport equipment | 33 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2025-11 | 92 |
| 2025-10 | 103 |
| 2025-09 | 98 |
| 2025-08 | 96 |
| 2025-07 | 105 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 54m+ | 208 |
| 1m-15m | 134 |
| 15m-54m | 46 |
| Other | 31 |
| 0-1m | 17 |
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 | 8,300,829 |
| Germany | 5,077,039 |
| Mexico | 4,358,636 |
| Saudi Arabia | 2,591,942 |
| Malaysia | 2,511,746 |
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 | 3,951,907 | 4,348,922 | +397,015 |
| Germany | 2,555,927 | 2,521,112 | -34,815 |
| Mexico | 1,937,306 | 2,421,330 | +484,024 |
| Saudi Arabia | 1,634,877 | 957,065 | -677,812 |
| Malaysia | 1,547,465 | 964,281 | -583,184 |
| China, Hong Kong Special Administrative Region | 763,152 | 1,305,356 | +542,204 |
| Singapore | 572,176 | 1,300,687 | +728,511 |
| India | 951,759 | 739,349 | -212,410 |
| Italy | 612,199 | 921,149 | +308,950 |
| France | 691,974 | 660,998 | -30,976 |
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 | 162,007 |
| Nicaragua | 49,256 |
| XI | 32,116 |
| China | 5,877 |
| United States | 1,515 |
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 | 84,999 | 77,008 | -7,991 |
| Nicaragua | 16,957 | 32,299 | +15,342 |
| XI | 20,782 | 11,334 | -9,448 |
| China | 3,845 | 2,032 | -1,813 |
| United States | 1,155 | 360 | -795 |
| Germany | 531 | 951 | +420 |
| Sweden | 775 | 24 | -751 |
| XU | 351 | 169 | -182 |
| Taiwan | 47 | 142 | +95 |
| Malaysia | 175 | 11 | -164 |
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 | 33,208,271 |
| Roll on Roll off (RORO) | 5,513,988 |
| Sea transport (not vehicle on ferry) | 4,801,316 |
| Other | 254,197 |
| Road transport | 75,204 |
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 | 15,442,664 | 17,765,607 | +2,322,943 |
| Roll on Roll off (RORO) | 3,087,668 | 2,426,320 | -661,348 |
| Sea transport (not vehicle on ferry) | 3,323,816 | 1,477,500 | -1,846,316 |
| Other | 129,741 | 124,456 | -5,285 |
| Road transport | 75,204 | 0 | -75,204 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| London Heathrow Airport | 13,553,268 |
| East Midlands Airport | 7,531,306 |
| Dover / Eurotunnel | 4,070,565 |
| London Stansted Airport | 3,171,417 |
| ZLC | 2,583,035 |
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 | 6,309,838 | 7,243,430 | +933,592 |
| East Midlands Airport | 3,840,477 | 3,690,829 | -149,648 |
| Dover / Eurotunnel | 2,206,398 | 1,864,167 | -342,231 |
| London Stansted Airport | 1,252,514 | 1,918,903 | +666,389 |
| ZLC | 941,212 | 1,641,823 | +700,611 |
| Warton Aerodrome | 1,529,963 | 867,335 | -662,628 |
| Glasgow Airport | 858,661 | 976,671 | +118,010 |
| London Gateway Port | 1,303,318 | 383,768 | -919,550 |
| Southampton | 848,530 | 795,795 | -52,735 |
| Birmingham Airport | 230,062 | 732,250 | +502,188 |
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