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 Boring Specifications

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

Custom drilling is available; clear instructions must be provided on the order form.