What if you have a triple bore hole door.
Bore door handle.
Once the center bit is through the door stop.
The latch bore also known as the edge bore is the hole drilled from the side of the door into the cross bore to allow the latch of the lock to be installed and to accommodate the sliding of the deadbolt.
Set the backset measurement to either 2 3 8 or 2 depending on the style of the door and personal preference.
All the same benefits as above apply.
Position it three feet off the ground.
The main difference with a triple bore hole door is your.
Buy the correct door hardware for the application so the door handles for passage or privacy have the correct back set and bore.
Actually while there are deadbolts available that are made specifically for the smaller bore today s knob and lever sets are for the most part made to fit the standard 2 1 8 door preparation.
Like the other door setups your deadbolt can be mechanical electronic or smart.
That means you need a deadbolt for the top hole and a front entry handle for the two holes below it.
Standard door preparation for a door with both a door knob and a deadbolt have two sets of bore holes and cross bores stacked on top of each other at 5 1 2 from center to center like the diagram shown on the left it should have the exact preparation for the deadbolt as the knob below with a 2 1 8 diameter bore hole and 1 cross bore.
The diameter of the latch bore is generally 1 to accommodate bolts from either mechanical or electronic locksets.
Use a drill driver with the 2 1 8 hole saw to bore a hole through the door.