Pull rivets muaj xws li txhuas, hlau, thiab stainless hlau.Semi-stainless steel dig muag rivets yog dab tsi?

Lub semi-stainless hlau qhov muag tsis pom rivet yog tias tus ntsia thawv plhaub yog stainless hlau thiab tus ntsia thawv qws yog hlau, uas yog hu ua semi-stainless hlau dig muag rivet.