Mortise Lock -

Mortise Lock, Mortise Door Lock door lock slot How to Drill a Strike Hole for a Deadbolt Lock Part of the series: How to Install a Deadbolt Lock door with mail slot The main difference between a mortise lock and a deadbolt is that a mortise lock has a hole in its center, while a deadbolt has a slot A

door lock slot W&F style mortise lock - face has round end with vertical slot when locked ​Squared off lock body with flat mounting plate Installed with 6-32 machine screw