Standard Door Handle Hole Size And Position
Their position should be between 900mm 1050mm 35 5 41 5 inches above the floor.
Standard door handle hole size and position. Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set. Lock bore the diameter of the hole for the lock body. The international building code has established doorknob height between 34 and 48 inches above a finished floor. The standard bore is 2 1 8.
It is more important that your door handles be consistent than that they match the standard door handle height. Installers typically drill the hole centered 36 inches above the floor if not specifically instructed to do so differently. Standard door preparation for door knob or lever handle. 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.
Measure your existing door knobs from the floor up. Many older doors had bores that were been smaller. Most interior doors are prepped with a single boor hole. Generally the knobs should be of a free moving slide action.
This creates a more harmonious appearance. 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. The requirements of bs 8300 provide for a door knob to be between 800mm 1050mm 31 5 41 5 inches from a finished floor.
Through the edge of the door there is a 1 cross bore that extends from the edge of the door through the bore hole.