Bolt through latches are essential for doors on which you are fitting handles or knobs with bolt through fixings.
This type of mortice latch has additional piercings in the case which are there for the bolt through fixings included with the handles or knobs, to pass through. Door handles and door knobs fitted in this way are more secure and will last longer with every day use than if they are just face fixed to the door.
Size and Finish of Bolt Through Latches
This type of latch is available in all the standard sizes, that is 63/64mm case size most suited to door handles on backplate, 75/76mm case size most suited to door handles on rose and 100/102mm case size most suited to door knobs. There are other sizes available and if you are looking for something very specific then please contact Customer Services by email or talk to us on Live Chat, available during working hours. The most common finishes for the forend and strike are nickel plated, stainless steel, satin chrome and brass. Other finishes are also available and it is always a good idea to choose a finish most consistent with the door furniture you have.