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空心铆钉是汽车用电设备上常用的连接零件。它与实心铆钉比较有铆接时省力、变形小、铆接后成品美观等优点。 空心铆钉是由实心铆钉经过钻孔而成。实心铆钉则是用低碳钢丝在冷镦机上
Hollow rivets are commonly used in automotive electrical equipment connected parts. Compared with solid rivets, riveting saves labor, less deformation and beautiful appearance after riveting. Hollow rivets are made of solid rivets after drilling. Solid rivets are made of low carbon steel in the cold heading machine