# CPV 44531600-7: Nuts

Official label (Regulation (EC) No 213/2008):

- EN: Nuts
- PT: Porcas
- ES: Tuercas
- FR: Écrous

In the tree:
- 44000000-0 Construction structures and materials; auxiliary products to construction (except electric apparatus) (https://trinta.ai/cpv/44000000)
- 44500000-5 Tools, locks, keys, hinges, fasteners, chain and springs (https://trinta.ai/cpv/44500000)
- 44530000-4 Fasteners (https://trinta.ai/cpv/44530000)
- 44531000-1 Threaded fasteners (https://trinta.ai/cpv/44531000)

Portuguese market, January to July 2026: 1 contract signed under this code, €6k contracted. Counted from the open contract register, all procedure types.

Who buys under it in Portugal (by NIF, contracts in the period):
- Metropolitano de Lisboa, EPE (500192855): 1

Market: Construction and public works (https://trinta.ai/tenders-by-sector/construction)

Source: https://trinta.ai/cpv/44531600 · All codes: https://trinta.ai/cpv
