The most used standard by which locks are judged is the grade given to them by the american national standards institute or ansi a nonprofit organization that sets standards for locks among other things.
Industrial door lock vs standard door lock distance.
For use in combination with a door knob lever lock.
Require no door prep.
Installation is similar to other types of locks for doors.
Door knob locksets are used to lock doors and maintain privacy and security in homes offices classrooms storerooms jobsites and more.
Provide greater control over access to your home.
Secondly there are a few lock companies like weiser that make locks to fit the smaller bore.
They have a door knob that occupants can turn to open the door.
Dummy handles are surface mounted and may be located anywhere on the door you choose but they re usually located to match the appearance of nearby operating locks.
Most of the current locks require the standard 2 1 8 bore.
If one wants to replace their locks on doors that have smaller diameter holes there are 2 options.
Electronic door locks use an electronic keypad instead of a key.
Door lever locksets include cylinder locksets with a lever handle that allows doors to be opened with a natural downward hand motion.
The standard size for an exterior door is 80 inches 6 feet 8 inches by 36 inches 3 feet.
When ansi grades door locks and hardware they look for durability and longevity.
First doors can usually be re drilled.
Entry can be gained by entering a numeric code on the programmable keypad without the need for a key.