Iva nechokwadi chekusungirirwa kwakavimbika neHexagon Head Bolts neMetric Thread M42 kusvika kuM160 × 6, Product Grade B DIN 931-2 - 1987. Yakagadzirwa kuti isangane nemitemo yeindastiri, mabhaudhi aya anopa kusungirirwa kwakachengeteka kune zvakasiyana-siyana zvekushanda kwemaindasitiri. Zvingave mukuvaka, zvivakwa, kana muchina, vimba nemhando uye kuenderana kweDIN 931-2 - 1987 hexagon head bolts kune zvaunoda.
Metric Thread:Hexagon Musoro Bolts ane Metric Thread M42 kusvika M160 × 6, Chigadzirwa Giredhi B DIN 931-2 - 1987 inopa yakavimbika yekumisikidza mhinduro nedhizaini yavo metric shinda, kuve nechokwadi kuenderana uye yakachengeteka kunamatira.
DIN 931-2 - 1987 Standard:Aya mabhaudhi anonamira kune iyo DIN 931-2 - 1987 yakajairwa, inovimbisa mhando uye kuvimbika mumaindasitiri ekushandisa.
Chigadzirwa Grade B:Nechigadzirwa giredhi B kupatsanurwa, mabhaudhi aya anopa chiyero chesimba uye inodhura-inoshanda, yakakodzera kune dzakasiyana siyana dzekushandisa.