tšepe e se nang tšepe (countersunk / flat head) linate tsa rivet;Countersunk hlooho / sephara hlooho hula sepekere;Hexagon nut / bolt) — nomoro ea maemo a naha ke efe?

Countersunk hlooho hexagon sokete: GB70.3 DIN7991

Bula hlooho e chitja hula sepekere: GB12618

Hexagon nut: GB6170 DIN934

Ka ntle hexagon e tletseng khoele bolt: GB5783 DIN933

Nate ea Rivet: GB17880.1