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BOLT THREADBAR
Zauren Bolt da aka yi amfani da shi a cikin madaidaicin madaidaicin ko cikakken rufaffiyar rufin da aikace-aikacen ƙulla haƙarƙari, tare da bayanin martabar ribbed ɗinsa, igiyar igiyar igiya na iya samar da haɓakar hadawar guduro da canja wurin kaya.Hakanan ana amfani da shi sosai don tallafin ƙasa a cikin ayyukan hakar ma'adinai, rami da gangara