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 | 13,598,387 |
| Italy | 11,800,526 |
| Germany | 10,688,561 |
| France | 9,716,564 |
| China | 6,430,315 |
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 | 6,317,573 | 7,280,814 | +963,241 |
| Italy | 3,457,273 | 8,343,253 | +4,885,980 |
| Germany | 5,090,423 | 5,598,138 | +507,715 |
| France | 4,338,301 | 5,378,263 | +1,039,962 |
| China | 2,245,790 | 4,184,525 | +1,938,735 |
| Taiwan | 2,887,822 | 519,013 | -2,368,809 |
| Belgium | 1,057,070 | 1,156,494 | +99,424 |
| India | 410,436 | 937,741 | +527,305 |
| Netherlands | 415,621 | 742,663 | +327,042 |
| Austria | 162,672 | 420,931 | +258,259 |
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 | 12,685,493 |
| United States | 11,297,951 |
| France | 9,256,992 |
| Taiwan | 8,797,196 |
| Germany | 7,298,343 |
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 | 3,811,645 | 8,873,848 | +5,062,203 |
| United States | 5,064,774 | 6,233,177 | +1,168,403 |
| France | 4,100,158 | 5,156,834 | +1,056,676 |
| Taiwan | 4,946,793 | 3,850,403 | -1,096,390 |
| Germany | 3,314,528 | 3,983,815 | +669,287 |
| China | 2,640,754 | 3,081,114 | +440,360 |
| India | 465,722 | 1,024,277 | +558,555 |
| Malaysia | 860,512 | 496,668 | -363,844 |
| Turkey | 238,722 | 599,356 | +360,634 |
| Denmark | 305,365 | 359,578 | +54,213 |
Importers across UK regions
What this shows: Number of importing companies by UK ITL2 region.
Top 5 values
| UK region | Companies |
|---|---|
| West Midlands | 49 |
| Berkshire, Buckinghamshire and Oxfordshire | 40 |
| Surrey, East and West Sussex | 25 |
| Greater Manchester | 22 |
| Derbyshire and Nottinghamshire | 21 |
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 | 41 | 34 | -7 |
| Berkshire, Buckinghamshire and Oxfordshire | 32 | 30 | -2 |
| Surrey, East and West Sussex | 13 | 19 | +6 |
| Greater Manchester | 11 | 18 | +7 |
| Derbyshire and Nottinghamshire | 13 | 18 | +5 |
| Inner London - West | 12 | 17 | +5 |
| Shropshire and Staffordshire | 13 | 17 | +4 |
| Bedfordshire and Hertfordshire | 11 | 15 | +4 |
| Herefordshire, Worcestershire and Warwickshire | 9 | 10 | +1 |
| 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 | 31,709,319 |
| Sea transport (not vehicle on ferry) | 15,112,466 |
| Roll on Roll off (RORO) | 14,800,146 |
| Other | 1,205,998 |
| Road transport | 47,354 |
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 | 12,806,101 | 18,903,218 | +6,097,117 |
| Sea transport (not vehicle on ferry) | 7,204,121 | 7,908,345 | +704,224 |
| Roll on Roll off (RORO) | 6,036,333 | 8,763,813 | +2,727,480 |
| Other | 997,868 | 208,130 | -789,738 |
| Road transport | 13,106 | 34,248 | +21,142 |
| 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 | 10,718,653 |
| East Midlands Airport | 9,877,737 |
| Felixstowe | 7,748,666 |
| Dover | 7,423,138 |
| Birmingham Airport | 4,620,736 |
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 | 4,311,343 | 6,407,310 | +2,095,967 |
| East Midlands Airport | 4,441,107 | 5,436,630 | +995,523 |
| Felixstowe | 4,099,257 | 3,649,409 | -449,848 |
| Dover | 3,173,611 | 4,249,527 | +1,075,916 |
| Birmingham Airport | 1,281,465 | 3,339,271 | +2,057,806 |
| Eurotunnel | 1,501,138 | 1,929,044 | +427,906 |
| London Gateway Port | 1,188,827 | 1,956,317 | +767,490 |
| London Stansted Airport | 1,432,482 | 1,412,779 | -19,703 |
| Southampton | 1,051,472 | 1,042,410 | -9,062 |
| Thamesport | 680,883 | 1,057,977 | +377,094 |
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
|
48 |
|
Manufacture of machinery and equipment n.e.c.
|
44 |
|
Wholesale and retail trade and repair of motor vehicles and motorcycles
|
41 |
|
Manufacture of other transport equipment
|
36 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-05 | 100 |
| 2026-04 | 107 |
| 2026-03 | 101 |
| 2026-02 | 99 |
| 2026-01 | 91 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| T.R. FASTENINGS LIMITED | 112 |
| AIRBUS OPERATIONS LIMITED | 112 |
| HEXSTONE LTD. | 110 |
| PRESTWICK AEROSYSTEMS LIMITED | 109 |
| NISSAN MOTOR MANUFACTURING (UK) LIMITED | 106 |
| OPTIMAS OE SOLUTIONS LTD | 105 |
| GE AIRCRAFT ENGINE SERVICES LIMITED | 104 |
| BAE SYSTEMS (OPERATIONS) LIMITED | 97 |
| GE CALEDONIAN LIMITED | 97 |
| HARRISON & CLOUGH,LIMITED | 96 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 54m+ | 214 |
| 1m-15m | 144 |
| 15m-54m | 54 |
| Other | 32 |
| 0-1m | 21 |
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 | 9,098,450 |
| Germany | 6,305,364 |
| Mexico | 4,437,909 |
| Saudi Arabia | 2,705,546 |
| China, Hong Kong Special Administrative Region | 2,598,668 |
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 | 5,066,027 | 4,032,423 | -1,033,604 |
| Germany | 2,609,460 | 3,695,904 | +1,086,444 |
| Mexico | 2,269,244 | 2,168,665 | -100,579 |
| Saudi Arabia | 2,156,667 | 548,879 | -1,607,788 |
| China, Hong Kong Special Administrative Region | 975,239 | 1,623,429 | +648,190 |
| Malaysia | 1,490,841 | 1,043,061 | -447,780 |
| Singapore | 702,446 | 1,388,040 | +685,594 |
| Italy | 824,524 | 987,437 | +162,913 |
| India | 916,872 | 756,934 | -159,938 |
| Canada | 761,998 | 776,213 | +14,215 |
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 | 221,391 |
| Nicaragua | 42,557 |
| China | 25,968 |
| XI | 25,342 |
| 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 | 75,828 | 145,563 | +69,735 |
| Nicaragua | 21,650 | 20,907 | -743 |
| China | 2,890 | 23,078 | +20,188 |
| XI | 21,704 | 3,638 | -18,066 |
| Netherlands | 4 | 3,565 | +3,561 |
| Germany | 825 | 665 | -160 |
| United States | 1,161 | 0 | -1,161 |
| Sweden | 798 | 2 | -796 |
| 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 | 38,202,263 |
| Roll on Roll off (RORO) | 6,117,424 |
| Sea transport (not vehicle on ferry) | 4,055,384 |
| Other | 324,369 |
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 | 18,962,732 | 19,239,531 | +276,799 |
| Roll on Roll off (RORO) | 3,118,176 | 2,999,248 | -118,928 |
| Sea transport (not vehicle on ferry) | 2,335,697 | 1,719,687 | -616,010 |
| Other | 125,487 | 198,882 | +73,395 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| London Heathrow Airport | 15,632,413 |
| East Midlands Airport | 7,872,874 |
| Dover / Eurotunnel | 4,181,076 |
| London Stansted Airport | 3,605,667 |
| ZLC | 3,227,054 |
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 | 7,220,246 | 8,412,167 | +1,191,921 |
| East Midlands Airport | 4,035,729 | 3,837,145 | -198,584 |
| Dover / Eurotunnel | 2,174,046 | 2,007,030 | -167,016 |
| London Stansted Airport | 2,192,335 | 1,413,332 | -779,003 |
| ZLC | 1,263,140 | 1,963,914 | +700,774 |
| Warton Aerodrome | 2,061,850 | 456,039 | -1,605,811 |
| Southampton | 875,727 | 1,020,615 | +144,888 |
| Glasgow Airport | 764,585 | 1,075,629 | +311,044 |
| Manchester Airport | 310,064 | 1,182,691 | +872,627 |
| London Gateway Port | 875,816 | 346,360 | -529,456 |
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