Definitions
There is 1 meaning of the phrase
Allen Screw.
Allen Screw - as a noun
A screw with a hexagonal hole in the head
Example Sentences
"I need an allen screw to fix my bicycle."
"He tightened the allen screw on the machine."
"The allen screw came loose and caused the furniture to wobble."
"She used an allen screw to assemble the bookshelf."
"The allen screw is stripped, so we need a replacement."