Standard Bore Height For Door Handle

Through the edge of the door there is a 1 cross bore that extends from the edge of the door through the bore hole.

Standard bore height for door handle. The standard measurement for a bore hole is 2 1 8 inch in diameter and the standard measurement of a cross bore is 1 inch in diameter. This cross bore is where the latch is installed. The international building code has established doorknob height between 34 and 48 inches above a finished floor. Standard height the standard height for doorknobs on a typical 80 inch tall household door is 36 inches.

Why this is standard is not certain. Their position should be between 900mm 1050mm 35 5 41 5 inches above the floor. Exceptions to the rule include doors that provide egress into swimming pools or other water features. Fortunately the standards for ada door handle height are not much different than traditional recommendations.

The most likely explanation is that as we began to mass produce doors the centre of most middle rails in the typical drop panelled door was 36 inches from the bottom of the door. The height of the door handle is not so much the problem as the door handle itself. All handles pulls latches locks and other operable parts of the door should measure between 34 inches and 48 inches above the floor. The bore hole is the large diameter hole where the door knob is mounted.

The latch bore is the small hole on the edge of the door for the latch itself. The standard sized bore hole is 2 1 8 in diameter. Installers typically drill the hole centered 36 inches above the floor if not specifically instructed to do so differently.