mortise bolt

mortise bolt

A door bolt designed to be mortised into a door rather than applied to its surface.
References in periodicals archive ?
To avoid this, place a metal rod or piece of plywood in the track to prevent an intruder forcing the door open and fit mortise bolts at the top and bottom.
Special catches for cupboards, security mortise bolts for back doors or simple latches for internal doors, to name but a few.
I would always fit two extra mortise bolts about a third of the way up from the floor and the same distance down from the top.