Standard Door Handle Hole Size And Position

Installers typically drill the hole centered 36 inches above the floor if not specifically instructed to do so differently.

Standard door handle hole size and position.

Measure your existing door knobs from the floor up. Generally the knobs should be of a free moving slide action. The international building code has established doorknob height between 34 and 48 inches above a finished floor. In most cases the door set which is inside of the door and controls the door latch will.

It is more important that your door handles be consistent than that they match the standard door handle height. Through the edge of the door there is a 1 cross bore that extends from the edge of the door through the bore hole. Most interior doors are prepped with a single boor hole. The bore hole is the large diameter hole where the door knob is mounted.

If one wants to replace their locks on doors that have smaller diameter holes there are 2 options. The standard sized bore hole is 2 1 8 in diameter. The standard bore is 2 1 8. If they are more than inch off the standard height you will want to match all of the pre existing door handle heights in your home.

This creates a more harmonious appearance. Lock bore the diameter of the hole for the lock body. The requirements of bs 8300 provide for a door knob to be between 800mm 1050mm 31 5 41 5 inches from a finished floor. Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.

Most of the current locks require the standard 2 1 8 bore.