taper pin with external thread

例句：

1. 1. This taperedpin is designed to fit perfectly into the hole.
   这个缩口钉设计得能完美地插入孔中。
2. 2. The taper of the pin was precisely calculated to ensure a secure fit.
   该钉的锥形精确计算以确保牢固的安装。
3. 3.The threaded pin with external thread was used to hold the joint together securely.
   带有外部螺纹的旋入式钉被用来将接合部位牢固地连接在一起。