Apparatus for installation of a door lockset

摘要: The apparatus includes a drill guide for use during the installation of locksets in doors. has body with preferably two recesses formed on flat faces opposite sides guide. One base straight-edged doors and other sloped beveled-edged An aperture extends through from recess to is centered relative so that face serves as drilling pilot holes door, while selectively serve self-centerable guides either straight- or A drift punch can be inserted into edge hole after been made upon closing door urging jamb, mark will which center strike hole. present also usable an improved method installing by marking lockset location, placing at hole, using thereafter attaching lockset.