Ibyuma bitagira umugese (ibice bicungwa / umutwe ugororotse) imbuto za rivet; Umutwe ucungwa / umutwe ugororotse wo gukurura umusumari; imbuto ya Hexagon / bolt) — ni iyihe nomero isanzwe y'igihugu?

Agasongero ka hexagon gafite umutwe ucungwa n'amazi: GB70.3 DIN7991

Umusumari ukurura umutwe ufunguye: GB12618

Uduti twa Hexagon: GB6170 DIN934

Umugozi wuzuye w'inyuma wa hexagon: GB5783 DIN933

Imbuto ya Rivet: GB17880.1