铁钉:

1. wire tach

2. iron nail

3. wirenail

Examples:

1. 她给铁钉划伤了臂肘。

She scratched her elbow on a nail.

2. 他的外套被墙上的一颗铁钉钩住了。

He caught his coat on a nail projecting from the wall.

铜钉:

1. copper nail

2. brass tacks

紫铜钉:

1. copper tack

2. rivet nail

钢钉: steel nail

螺纹钢钉:thread steel nail

铝钉: aluminium nail