Kowiri tira (countersunk / flat head) nati rivet;Te mahunga countersunk / mahunga papatahi toia maio;Hexagon nut / bolt) — he aha te tau paerewa motu?

Putunga hexagon upoko countersunk: GB70.3 DIN7991

Whakatuwherahia te whao mahunga a tawhio noa: GB12618

Nati Hexagon: GB6170 DIN934

Hexagono o waho te miro miro katoa: GB5783 DIN933

Nati rivet: GB17880.1