oval head screw 椭圆头螺钉 ; 半沉头螺钉 ; 扁圆头螺钉
oval head rivet 椭圆头铆钉
large oval head rivet 大扁圆头铆钉
iron screw with oval head 椭圆头铁螺钉
oval head brass rivet 椭圆头铜铆钉
counter sunk oval head rivet 埋头凸顶铆钉
large oval head nibbed bolt 大扁圆头带榫螺栓
oval head split rivet 椭圆头开口铆钉
oval head square neck bolt 椭圆头方颈螺栓
应用推荐