Amfani da a haɗa shi da inji gyarawa mahada aiki, da ingarma kusoshi ake Threaded qarishe biyu, da kuma tsakiyar dunƙule ne lokacin farin ciki da kuma bakin ciki.
Threaded sandunansu ne mai sanda tare da cikakken thread.Unlike da ingarma, da gubar dunƙule ba iyakance ga thread tsawon iyaka, kuma shi ne dace don amfani.
Handan LiQi Fastener Manufacturing Co., Ltd. aka located a garinsu na fasteners Yongnian County, Birnin Handan. Shi ne mai hade da zane, da kuma samar da tallace-tallace. A manyan high-karshen fastener masana'antu kamfanin.