Jiyya na Fasa na gama-gari don Bolts - Farashin JMET FASTENER

Tufafi: yin amfani da sutura zuwa saman kullun don ƙirƙirar fim ɗin da ya dace wanda ke inganta juriya da bayyanarsa. Amfanin shi ne cewa yana da kyau, amma illar ita ce ba ta dawwama kuma tana da sauƙin gogewa.
Hot-tsoma galvanizing: nutsar da kusoshi a cikin narkakkar zinc don inganta juriyar lalatarsa. Amfanin shi ne cewa yana da ƙarfin hana lalata kuma ba shi da sauƙin faɗuwa, amma hasara shine cewa saman bai yi kyau sosai ba.
Electroplating: nutsar da kullin a cikin na'urar lantarki da kuma ajiye wani Layer na karfe a saman murfin ta hanyar electrolysis don inganta juriya da bayyanarsa.. Amfanin shi ne cewa saman yana da santsi da kyau, amma rashin amfani shi ne cewa yana da haɗari ga haɓakar hydrogen.
Dacro: nutsar da kusoshi cikin maganin zinc-aluminum, tabbatar da cewa kullin ya kasance cikakke tare da maganin kafin ya girgiza maganin da ya wuce kima kuma ya bushe shi. Maimaita tsarin da ke sama 2-4 lokutta don samar da fim mai yawa a saman aron, cimma sakamako na anticorrosion. Amfanin wannan tsari shine cewa saman yana da kyau kuma ba sauƙin faɗuwa ba, amma illar ita ce ba ta dawwama kuma tana da sauƙin gogewa. Yanzu akwai dabarar da ba ta da chromium hexavalent, wanda yafi dacewa da muhalli.