Daban-daban nau'in kusoshi
Bambanci tsakanin kusoshi da sukurori ya ta'allaka ne ta fuskoki biyu: daya shine siffar, sashin ingarma yana da matukar buƙatar zama cylindrical, ana amfani da shi don shigar da goro, amma ɓangaren ingarma na dunƙule wani lokacin conical ko ma tare da tip; ɗayan kuma shine Yin amfani da aikin, an dunƙule dunƙule cikin abin da aka yi niyya maimakon goro. A lokuta da yawa, kusoshi kuma suna aiki daban-daban, kuma ana yin su kai tsaye a cikin ramin zaren da aka riga aka haƙa, ba tare da buƙatar goro don yin haɗin gwiwa da shi ba. A wannan lokacin, an rarraba kullin a matsayin dunƙule cikin sharuddan aiki.
An raba siffar da maƙasudin ƙwanƙwasa kai zuwa ƙwanƙwasa hexagonal, ƙwanƙwasa murabba'i, ƙwanƙwasa rabin zagaye, ƙwanƙwasa kai, kusoshi tare da ramuka, T-head bolts, ƙugiya kai (tushen) kusoshi da sauransu.
Za a iya raba zaren ginshiƙin zuwa zare mara nauyi, zare mai kyau da zaren inci, don haka ana kiran shi fine bolt da inch bolt.
Tsarin samarwa
Na farko, naushi na farko yana motsawa don shirya waya don kafawa, sannan naushi na biyu ya motsa don sake ƙirƙira wayar ya siffata samfurin da aka gama. A cikin tsarin sanyi, ƙayyadadden mutu (matsi mutu) da stamping (lalata) mutu (bushi)
Adadin kawunan) ba iri daya bane. Wasu hadaddun ƙullun na iya buƙatar nau'i-nau'i masu yawa don ƙirƙirar tare, wanda ke buƙatar kayan aiki masu yawa don yin kullun. Zaren rolling shine amfani da zare guda biyu masu jujjuyawa mai jujjuyawa mutu (faranti) tare da zaren haƙora don matse babur silindari wanda aka kafa ta tashar amulti ko na'ura a tsakiya.
Bayan kai da shafa hakora, an samar da dunƙule gaba ɗaya. Tabbas, domin ya sa bayyanar dunƙule ya fi haske kuma mafi kyau, yawanci ana yin aikin jiyya na saman. Kamar tsaftacewa da passivation na bakin karfe sukurori,electroplating a saman carbon karfe sukurori, da dai sauransu sanya cikin daban-daban launuka na dunƙule fasteners.
