半圆头铆钉 snap rivet ; round head rivet ; button head rivet ; cup head rivet

金属半圆头螺钉 metal screw with half-round head

半圆头柳钉 snap rivet

扁圆头半空心铆钉 Oval head semi-tubular rivets ; tubular rivets

大扁圆头半空心铆钉 Truss head semi-tubuar rivets ; large oval head socket shank rivet ; tubuar rivets

椭圆头半空心铆钉 oval head socket shank rivet

开槽半圆头木螺钉 Slotted round head wood screws

半圆头铆钉窝子 button head snap

粗制半圆头铆钉 black snap head rivet