Qeda ukuqeda
Ama-fasteners akhanyayo awanawo ama-coating ukuvikela insimbi futhi athambekele ekugcekeni uma kuvezwa umswakama ophezulu noma emanzini. Azange zinconyelwe ukusetshenziswa kwangaphandle noma ezilashelwe amapulangwe, futhi kuphela kwezicelo zangaphakathi lapho kungadingeka khona ukuvikelwa kokugqwala. Ama-fasteners akhanyayo ajwayele ukusetshenziselwa ukufakwa okungaphakathi, ukuqedwa kanye nokuqedela izinhlelo zokusebenza.
I-hot dip galvanized (HDG)
Ama-fastener we-hot dip galvanized ahlanganiswe nesendlalelo se-zinc ukusiza ukuvikela insimbi ekuqubukeni. Yize ama-fasteners ashisayo ahamba ngezinyawo azolungisa isikhathi lapho kufakwa khona izigqoko zokuhlanganisa, ngokuvamile zilungele impilo yonke. Ama-fastener we-hot dip galvanized asetshenziselwa ukusetshenziswa kwezicelo zangaphandle lapho i-fastener ivezwa izimo zezulu zansuku zonke njengemvula neqhwa. Izindawo eziseduzane nasogwini lapho okuqukethwe usawoti emanzini emvula kuphakeme kakhulu, kufanele kucatshangelwe ama-fastener wensimbi engagqwali njengosawoti kusheshisa ukuwohloka kwe-galvanization futhi kuzosheshisa ukubhujiswa.
I-Electro Galvanized (isib)
I-Electro Galvanized Fasteners inesendlalelo esincane kakhulu se-zinc enikeza ukuvikela kokugqwala. Ngokuvamile zisetshenziswa ezindaweni lapho ukuvikeleka okuncane kakhulu kokugqwala kuyadingeka njengezindlu zokugezela, amakhishi kanye nezinye izindawo ezitholwa kumanzi noma umswakama othile. Izipikili zophahla zi-electro galvanized ngoba ngokuvamile zithathelwa indawo ngaphambi kokuthi i-fastener iqale ukugqoka futhi ayivezwa izimo zezulu ezinokhahlo uma ifakiwe kahle. Izindawo eziseduzane nasezikhulile lapho okuqukethwe usawoti emanzini emvula kungaphezulu kubheka i-cwilisa eshisayo ye-galvanized noma yensimbi engenasici.
Insimbi engagqwali (SS)
Ama-fasteners ensimbi engagqwali anikeza ukuvikela okungcono kakhulu kokugqwala okutholakalayo. Insimbi ingenza i-oxidize noma ukugqwala ngokuhamba kwesikhathi kepha ngeke kulahlekelwe amandla aso ekugqwaneni. Ama-fastener wensimbi engenasici angasetshenziselwa izicelo ezingaphandle noma ezingaphakathi futhi ngokuvamile eza ngensimbi engama-304 noma engama-316.