Share this entry
Allen screw Line breaks: Allen screw

Entry from British & World English dictionary

Definition of Allen screw in English:


A screw with a hexagonal socket in the head.
Example sentences
  • Both blued and stainless versions are offered with an Allen screw in the head of the pin that can be tightened against the bottom of the barrel to prevent movement under recoil.
  • There's also an Allen screw tension adjustment to regulate how tightly the pistol is held.
  • The standard pin has a larger head complete with an Allen screw for locking in place.


1930s: from the name of the manufacturer (see Allen key).

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources