Do-it-Yourself - Hinge Boring Specs
Number of Hinges Per Door (Standard Drilling)
Doors that require boring for hinges will have the following number of holes based on height.
Hinge Hole Position:
- 15" and under doors are 3" centers from top and bottom of door.
- Doors 15" and over are 3 5/8" centers from top and bottom of door.
- On larger doors where 3 or 4 holes have to be drilled, the middle hole will be spaced equally in center of door.
- All standard concealed hinge holes are drilled for a *5/8" overlay with a 35 mm cup unless otherwise specified.
Custom drilling is available; clear instructions must be provided on the order form.