mai wanki
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Ƙarfin wanki na bazara 4.8 6.8 8.8 10.9 12.9 daidaitaccen girman Zinc Plain DIN127 JISB1251 ANSIB18.21.1 Mai wanki na bazara UNF UNC ANSI kera farashin siyarwa
Abubuwan Samar da Cikakkun Abubuwan Samar da Fa'idodin YC Fakitin Ƙa'idar YC