tapping screw

13 LETTERS · STARTS WITH T

tapping screw is a valid 13-letter word worth 22 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1A1P3P3I1N1G2S1C3R1E1W4

1 + 1 + 3 + 3 + 1 + 1 + 2 + 0 + 1 + 3 + 1 + 1 + 4 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does tapping screw mean?