Ogo dị elu 4.8 8.9 10.9 10.9) 931 hex bolt

Na-eji ngwa ngwahexigoral isi, ihu-ya na-eche ihu n'isi, eriri metrik eri, nke emere site na carbon steel na okpomọkụ na-emeso. Eriri shank anaghị agbatị kpamkpam na isi.