http://jt-fasteners.tradetaiwan.org/nut/showarticle/brass screw.html

ie partsaluminium nutsopen die s,stamping partsspecial screwsautflat washerclinch nutsmaching pascrewscold forming tube,cold forsspeed nutfasteners,weld nuts,asspecial nuts and bolts,clipt nutping metal partfurniture fastene

brass screw網路自然搜尋相關資訊如下: