Insimbi engagqwali (ikhanda elingaphansi / ikhanda elisicaba) amantongomane e-rivet; ikhanda elingaphansi / ikhanda elisicaba lokudonsa isipikili; inathi le-Hexagon / ibholithi) — iyini inombolo ejwayelekile kazwelonke?

Isokhethi yeheksagoni yekhanda elingaphansi kwe-countersunk: GB70.3 DIN7991

Isipikili sokudonswa kwekhanda eliyindilinga esivulekile: GB12618

I-Hexagon nut: GB6170 DIN934

Ibhawodi yentambo egcwele yeheksagoni yangaphandle: GB5783 DIN933

I-Rivet nut: GB17880.1