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 | 12,374,139 |
| Germany | 9,986,991 |
| Italy | 8,353,093 |
| France | 8,123,637 |
| China | 5,325,570 |
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 | 6,496,642 | 5,877,497 | -619,145 |
| Germany | 5,701,761 | 4,285,230 | -1,416,531 |
| Italy | 3,463,545 | 4,889,548 | +1,426,003 |
| France | 4,180,400 | 3,943,237 | -237,163 |
| China | 2,206,427 | 3,119,143 | +912,716 |
| Taiwan | 2,808,434 | 1,243,606 | -1,564,828 |
| Belgium | 879,264 | 1,073,282 | +194,018 |
| India | 398,782 | 662,339 | +263,557 |
| Netherlands | 485,301 | 405,435 | -79,866 |
| Austria | 164,052 | 311,184 | +147,132 |
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 | 10,076,399 |
| Taiwan | 8,519,666 |
| France | 8,389,702 |
| Italy | 8,351,310 |
| Germany | 6,475,734 |
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 | 5,129,801 | 4,946,598 | -183,203 |
| Taiwan | 4,958,210 | 3,561,456 | -1,396,754 |
| France | 3,874,622 | 4,515,080 | +640,458 |
| Italy | 3,978,810 | 4,372,500 | +393,690 |
| Germany | 3,480,164 | 2,995,570 | -484,594 |
| China | 2,555,684 | 2,661,342 | +105,658 |
| Malaysia | 883,584 | 603,659 | -279,925 |
| India | 456,291 | 794,012 | +337,721 |
| Denmark | 330,188 | 332,253 | +2,065 |
| Turkey | 167,861 | 328,087 | +160,226 |
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 | 22 |
| 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 | 32 | 27 | -5 |
| Surrey, East and West Sussex | 18 | 18 | +0 |
| Greater Manchester | 10 | 17 | +7 |
| Derbyshire and Nottinghamshire | 13 | 13 | +0 |
| Shropshire and Staffordshire | 11 | 17 | +6 |
| Inner London - West | 13 | 12 | -1 |
| Bedfordshire and Hertfordshire | 12 | 9 | -3 |
| Essex | 10 | 10 | +0 |
| Herefordshire, Worcestershire and Warwickshire | 8 | 9 | +1 |
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 | 26,145,527 |
| Sea transport (not vehicle on ferry) | 14,103,478 |
| Roll on Roll off (RORO) | 12,425,581 |
| Other | 1,330,895 |
| Road transport | 18,859 |
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 | 13,034,166 | 13,111,361 | +77,195 |
| Sea transport (not vehicle on ferry) | 7,396,884 | 6,706,594 | -690,290 |
| Roll on Roll off (RORO) | 6,218,699 | 6,206,882 | -11,817 |
| Other | 795,325 | 535,570 | -259,755 |
| Road transport | 9,188 | 9,671 | +483 |
| 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 | 8,954,882 |
| East Midlands Airport | 8,174,414 |
| Felixstowe | 7,447,045 |
| Dover | 6,114,916 |
| Birmingham Airport | 3,137,447 |
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 | 4,241,929 | 4,712,953 | +471,024 |
| East Midlands Airport | 4,481,831 | 3,692,583 | -789,248 |
| Felixstowe | 4,228,405 | 3,218,640 | -1,009,765 |
| Dover | 3,118,652 | 2,996,264 | -122,388 |
| Birmingham Airport | 1,326,636 | 1,810,811 | +484,175 |
| Eurotunnel | 1,463,901 | 1,526,857 | +62,956 |
| London Stansted Airport | 1,617,515 | 988,670 | -628,845 |
| London Gateway Port | 1,037,357 | 1,568,064 | +530,707 |
| Southampton | 965,333 | 951,046 | -14,287 |
| Thamesport | 839,580 | 726,440 | -113,140 |
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 | 95 |
| Manufacture of fabricated metal products, except machinery and equipment | 45 |
| Wholesale and retail trade and repair of motor vehicles and motorcycles | 41 |
| Manufacture of machinery and equipment n.e.c. | 38 |
| Manufacture of other transport equipment | 32 |
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+ | 206 |
| 1m-15m | 136 |
| 15m-54m | 46 |
| Other | 29 |
| 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 | 8,145,914 |
| Germany | 5,034,017 |
| Mexico | 4,287,748 |
| Saudi Arabia | 2,621,479 |
| Malaysia | 2,429,897 |
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 | 4,014,829 | 4,131,085 | +116,256 |
| Germany | 2,520,740 | 2,513,277 | -7,463 |
| Mexico | 2,158,256 | 2,129,492 | -28,764 |
| Saudi Arabia | 1,648,565 | 972,914 | -675,651 |
| Malaysia | 1,494,179 | 935,718 | -558,461 |
| China, Hong Kong Special Administrative Region | 852,055 | 1,240,016 | +387,961 |
| Singapore | 616,353 | 1,264,012 | +647,659 |
| India | 949,467 | 670,642 | -278,825 |
| Italy | 650,081 | 911,282 | +261,201 |
| France | 724,775 | 662,237 | -62,538 |
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 | 151,285 |
| Nicaragua | 44,014 |
| XI | 30,619 |
| China | 8,877 |
| Germany | 1,398 |
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 | 75,844 | 75,441 | -403 |
| Nicaragua | 21,751 | 22,263 | +512 |
| XI | 24,366 | 6,253 | -18,113 |
| China | 3,895 | 4,982 | +1,087 |
| Germany | 456 | 942 | +486 |
| United States | 1,042 | 258 | -784 |
| Sweden | 775 | 24 | -751 |
| Malaysia | 174 | 11 | -163 |
| Taiwan | 42 | 142 | +100 |
| Netherlands | 4 | 68 | +64 |
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 | 33,256,891 |
| Roll on Roll off (RORO) | 5,458,317 |
| Sea transport (not vehicle on ferry) | 4,385,526 |
| Other | 239,351 |
| Road transport | 24,883 |
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 | 16,244,600 | 17,012,291 | +767,691 |
| Roll on Roll off (RORO) | 3,093,163 | 2,365,154 | -728,009 |
| Sea transport (not vehicle on ferry) | 3,078,921 | 1,306,605 | -1,772,316 |
| Other | 128,746 | 110,605 | -18,141 |
| Road transport | 24,883 | 0 | -24,883 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| London Heathrow Airport | 13,691,085 |
| East Midlands Airport | 7,155,151 |
| Dover / Eurotunnel | 3,890,436 |
| London Stansted Airport | 3,181,504 |
| ZLC | 2,704,929 |
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 | 6,898,532 | 6,792,553 | -105,979 |
| East Midlands Airport | 3,600,103 | 3,555,048 | -45,055 |
| Dover / Eurotunnel | 2,176,518 | 1,713,918 | -462,600 |
| London Stansted Airport | 1,351,471 | 1,830,033 | +478,562 |
| ZLC | 997,008 | 1,707,921 | +710,913 |
| Warton Aerodrome | 1,550,912 | 879,416 | -671,496 |
| Glasgow Airport | 784,092 | 956,646 | +172,554 |
| Southampton | 836,634 | 776,393 | -60,241 |
| London Gateway Port | 1,313,647 | 275,830 | -1,037,817 |
| Birmingham Airport | 390,600 | 649,979 | +259,379 |
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