椭圆头螺钉 oval head screw

椭圆头铆钉 oval head rivet ; oval rivet

椭圆埋头铆钉 oval countersunk rivet ; oval countersunk head rivet ; rivet

椭圆头铁螺钉 iron screw with oval head

椭圆头铜铆钉 oval head brass rivet

凹槽椭圆头螺钉 oval fillister-head screw

椭圆头开口铆钉 oval head split rivet

椭圆头半空心铆钉 oval head socket shank rivet

椭圆头埋头铆钉 oval countersunk head rivet