countersunk head rivet 沉头铆钉

oval countersunk head rivet 半沉头铆钉 ; 椭圆埋头铆钉 ; 椭圆头埋头铆钉

round head countersunk rivet 埋头圆顶铆钉

black countersunk head rivet 粗制沉头铆钉

countersunk flat head rivet 埋头平顶铆钉 ; 埋头平铆钉

flat countersunk head rivet 平埋头铆钉

half-countersunk rivet head 半埋头式铆钉头

half countersunk rivet head 半埋式铆钉头