Simbi isina tsvina (countersunk / flat head) rivet nzungu;Countersunk musoro / flat musoro kudhonza mbambo;Hexagon nut / bhaudhi) - nhamba yenyika ndeipi?

Countersunk musoro hexagon socket: GB70.3 DIN7991

Vhura denderedzwa musoro dhonza chipikiri: GB12618

Hexagon nati: GB6170 DIN934

Kunze hexagon yakazara shinda bhaudhi: GB5783 DIN933

Rivet nati: GB17880.1