cap screw

1. 1.

   a threaded screw for machine parts; screws into a tapped hole

   Broaderscrew

Questions about cap screw

What does cap screw mean?

cap screw means "a threaded screw for machine parts; screws into a tapped hole".

Is cap screw a common word?

cap screw is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.