Carbon karfe, gami karfe, pre taurare karfe, jefa baƙin ƙarfe, bakin karfe, titanium gami, da dai sauransu.
Siffofin: Zaren trapezoidal shine babban nau'in watsawa na dunƙulewa, wanda galibi ana amfani dashi don babban jagorar dunƙule kayan aikin injin da jagorar dunƙule kayan aiki.
Amfani:
Zaren trapezoidal kuma ana kiransa zaren mace Aike.Zaren ya ɗan ƙarami, amma ana iya daidaita shi da goro bayan lalacewa.Ma'aunin zaren ma'auni shine digiri 30, kuma kusurwar zaren inci shine digiri 29.Kullum ana amfani dashi don dunƙule gubar na lathe.Alamar ita ce "TR".
Aikace-aikace
Muna amfani da kayan ƙarfe na tungsten don tabbatar da daidaiton samfuran daga albarkatun ƙasa
Daidaita shafi mai dacewa bisa ga kayan aikin aiki.Godiya ga high precesion thread nika kayan aiki don tabbatar da barga ingancin kayayyakin mu.