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 | 12,812,810 |
| Germany | 10,507,605 |
| Italy | 8,620,313 |
| France | 8,463,856 |
| China | 5,501,975 |
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 | 6,134,995 | 6,677,815 | +542,820 |
| Germany | 5,834,210 | 4,673,395 | -1,160,815 |
| Italy | 3,440,661 | 5,179,652 | +1,738,991 |
| France | 4,105,649 | 4,358,207 | +252,558 |
| China | 2,217,007 | 3,284,968 | +1,067,961 |
| Taiwan | 2,978,080 | 1,358,722 | -1,619,358 |
| Belgium | 885,231 | 1,125,066 | +239,835 |
| India | 393,719 | 683,882 | +290,163 |
| Netherlands | 501,078 | 419,199 | -81,879 |
| Austria | 181,824 | 311,184 | +129,360 |
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 | 10,474,061 |
| Taiwan | 9,046,990 |
| France | 8,624,627 |
| Italy | 8,597,454 |
| Germany | 6,806,058 |
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 | 4,861,668 | 5,612,393 | +750,725 |
| Taiwan | 5,242,136 | 3,804,854 | -1,437,282 |
| France | 3,685,298 | 4,939,329 | +1,254,031 |
| Italy | 3,926,720 | 4,670,734 | +744,014 |
| Germany | 3,532,223 | 3,273,835 | -258,388 |
| China | 2,603,344 | 2,831,699 | +228,355 |
| Malaysia | 838,491 | 652,459 | -186,032 |
| India | 452,900 | 815,555 | +362,655 |
| Denmark | 332,214 | 343,571 | +11,357 |
| Turkey | 175,520 | 351,884 | +176,364 |
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 | 39 |
| Surrey, East and West Sussex | 27 |
| Greater Manchester | 23 |
| Derbyshire and Nottinghamshire | 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 | 32 | -7 |
| Berkshire, Buckinghamshire and Oxfordshire | 29 | 28 | -1 |
| Surrey, East and West Sussex | 17 | 19 | +2 |
| Greater Manchester | 11 | 17 | +6 |
| Derbyshire and Nottinghamshire | 12 | 13 | +1 |
| Inner London - West | 14 | 12 | -2 |
| Shropshire and Staffordshire | 10 | 18 | +8 |
| Bedfordshire and Hertfordshire | 12 | 9 | -3 |
| Herefordshire, Worcestershire and Warwickshire | 9 | 11 | +2 |
| 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 | 27,016,758 |
| Sea transport (not vehicle on ferry) | 14,765,300 |
| Roll on Roll off (RORO) | 12,982,933 |
| Other | 1,484,588 |
| Road transport | 21,584 |
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 | 12,555,655 | 14,461,103 | +1,905,448 |
| Sea transport (not vehicle on ferry) | 7,606,851 | 7,158,449 | -448,402 |
| Roll on Roll off (RORO) | 6,349,679 | 6,633,254 | +283,575 |
| Other | 857,100 | 627,488 | -229,612 |
| Road transport | 11,913 | 9,671 | -2,242 |
| 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 | 9,104,318 |
| East Midlands Airport | 8,627,643 |
| Felixstowe | 7,883,698 |
| Dover | 6,471,871 |
| Birmingham Airport | 3,252,336 |
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 | 3,851,365 | 5,252,953 | +1,401,588 |
| East Midlands Airport | 4,685,698 | 3,941,945 | -743,753 |
| Felixstowe | 4,479,131 | 3,404,567 | -1,074,564 |
| Dover | 3,231,949 | 3,239,922 | +7,973 |
| Birmingham Airport | 1,237,749 | 2,014,587 | +776,838 |
| Eurotunnel | 1,491,964 | 1,622,498 | +130,534 |
| London Gateway Port | 1,036,633 | 1,641,509 | +604,876 |
| London Stansted Airport | 1,575,303 | 1,099,497 | -475,806 |
| Southampton | 893,792 | 1,057,341 | +163,549 |
| Thamesport | 887,258 | 764,542 | -122,716 |
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 | 97 |
| Manufacture of fabricated metal products, except machinery and equipment | 48 |
| Wholesale and retail trade and repair of motor vehicles and motorcycles | 42 |
| Manufacture of machinery and equipment n.e.c. | 40 |
| Manufacture of other transport equipment | 33 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-01 | 91 |
| 2025-11 | 92 |
| 2025-10 | 103 |
| 2025-09 | 98 |
| 2025-08 | 96 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| T.R. FASTENINGS LIMITED | 107 |
| AIRBUS OPERATIONS LIMITED | 107 |
| HEXSTONE LTD. | 105 |
| PRESTWICK AEROSYSTEMS LIMITED | 104 |
| NISSAN MOTOR MANUFACTURING (UK) LIMITED | 101 |
| OPTIMAS OE SOLUTIONS LTD | 100 |
| GE AIRCRAFT ENGINE SERVICES LIMITED | 99 |
| HARRISON & CLOUGH,LIMITED | 92 |
| BAE SYSTEMS (OPERATIONS) LIMITED | 92 |
| GE CALEDONIAN LIMITED | 92 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 54m+ | 210 |
| 1m-15m | 138 |
| 15m-54m | 47 |
| 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 | 8,567,279 |
| Germany | 5,326,546 |
| Mexico | 4,287,748 |
| Saudi Arabia | 2,652,251 |
| Malaysia | 2,530,670 |
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 | 4,128,404 | 4,438,875 | +310,471 |
| Germany | 2,637,864 | 2,688,682 | +50,818 |
| Mexico | 1,877,607 | 2,410,141 | +532,534 |
| Saudi Arabia | 1,629,211 | 1,023,040 | -606,171 |
| Malaysia | 1,551,840 | 978,830 | -573,010 |
| China, Hong Kong Special Administrative Region | 813,633 | 1,307,044 | +493,411 |
| Singapore | 596,879 | 1,317,684 | +720,805 |
| India | 1,029,221 | 716,878 | -312,343 |
| Italy | 691,895 | 936,652 | +244,757 |
| France | 699,624 | 732,342 | +32,718 |
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 | 163,943 |
| Nicaragua | 46,534 |
| XI | 30,643 |
| China | 9,029 |
| Germany | 1,425 |
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 | 82,414 | 81,529 | -885 |
| Nicaragua | 21,198 | 25,336 | +4,138 |
| XI | 22,357 | 8,286 | -14,071 |
| China | 3,862 | 5,167 | +1,305 |
| Germany | 475 | 950 | +475 |
| United States | 1,105 | 287 | -818 |
| Sweden | 775 | 24 | -751 |
| Malaysia | 175 | 11 | -164 |
| Taiwan | 42 | 142 | +100 |
| Netherlands | 8 | 68 | +60 |
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 | 34,127,791 |
| Roll on Roll off (RORO) | 5,618,565 |
| Sea transport (not vehicle on ferry) | 4,795,495 |
| Other | 254,845 |
| Road transport | 63,016 |
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 | 15,786,300 | 18,341,491 | +2,555,191 |
| Roll on Roll off (RORO) | 2,989,348 | 2,629,217 | -360,131 |
| Sea transport (not vehicle on ferry) | 3,304,938 | 1,490,557 | -1,814,381 |
| Other | 132,824 | 122,021 | -10,803 |
| Road transport | 63,016 | 0 | -63,016 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| London Heathrow Airport | 13,884,592 |
| East Midlands Airport | 7,570,620 |
| Dover / Eurotunnel | 4,012,677 |
| London Stansted Airport | 3,219,337 |
| ZLC | 2,815,647 |
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 | 6,442,358 | 7,442,234 | +999,876 |
| East Midlands Airport | 3,816,526 | 3,754,094 | -62,432 |
| Dover / Eurotunnel | 2,090,945 | 1,921,732 | -169,213 |
| London Stansted Airport | 1,287,134 | 1,932,203 | +645,069 |
| ZLC | 1,029,333 | 1,786,314 | +756,981 |
| Warton Aerodrome | 1,521,558 | 929,542 | -592,016 |
| Glasgow Airport | 864,461 | 994,512 | +130,051 |
| Southampton | 897,681 | 830,577 | -67,104 |
| London Gateway Port | 1,264,283 | 364,787 | -899,496 |
| Birmingham Airport | 332,649 | 711,872 | +379,223 |
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