Bolt + nut + washer eshatu-ihuza bolt
Gukomatanya bolt washer nut bitunganijwe mubisanzwe bihimbwa muburyo butandukanye bwo murwego rwohejuru - ibikoresho byiza, byatoranijwe hashingiwe kubisabwa kugirango imbaraga, birambe, hamwe no kurwanya ruswa. Ibyuma bya karubone nibikoresho bikoreshwa cyane cyane mubyiciro nka 4.8, 8.8, na 10.9.