FAQ

A Bore Insert is needed to fill the wide 2-1/8" hole in most pre-drilled new wood doors, and some old wood doors that have been retrofitted for new hardware.

Wood doors with a 2-1/8" diameter hole drilled through them require an optional Bore Insert for the following "Rosette" Interior Door Sets: Warren, Morgan, Cooper, Adams, Hyde, Duke, and Randall.

Replacing door hardware on existing interior wood doors?

Before ordering, remove door hardware and measure the diameter of the holes bored through each door. A hole 2" or smaller does not require an optional Bore Insert.

Ordering door hardware for new interior wood doors?

Most doors bought "off the rack" or custom ordered are usually pre-drilled with a 2-1/8" bore, and will require an optional Bore Insert.