For a new door, we no need consider whether the lock fits for the ready door hole but the door thickness, style and finish. For an old door, we should consider more, whether the lock fits for the ready door hole is the key issue. Hosmartec, with wide range of product line, help you with a professional appraising and solution.

Single Latch Door thickness between 3cm and 5.5cm, and hole diameter is 5.4cm ,backset 6 or 7 cm, then directly can use our single latch or single deadbolt lock.And even possible for our Two-latch locks.

If your old door is using other types of lock,you can have a measurement on the following parts,and hand over to us, our engineer will have professional appraising and solution for you.