u'amea uamea (counterssunk / ulu mafolafola) nati rivet;Countersunk ulu/ulu mafolafola toso fao;Hexagon nut / bolt) - o le a le numera masani a le atunuʻu?

Countersunk ulu hexagon socket: GB70.3 DIN7991

Tatala ulu lapotopoto toso fao: GB12618

Nati Hexagon: GB6170 DIN934

Fa'aono pito i fafo fa'ato'a fa'amau filo: GB5783 DIN933

Nati rivet: GB17880.1