Patent ID: 8082701

Claim:
A method for drilling holes in building wall studs for receiving wiring cables or piping therein, said drilled holes at a predetermined spacing from an outer face of the studs, comprising: forming a sheet metal piece having a front wall and at least one side wall, said front wall being sufficiently strong to provide a nail shield; forming a guide hole in said side wall at said predetermined spacing from said-front wall corresponding to said hole to be drilled in said stud located so as to provide a minimum remaining thickness of said stud lying between a stud outer face and said hole of approximately 1¼ inches; attaching said sheet metal piece to said stud using one or more penetrating fasteners with the inside of said front wall abutting against said outer face of said stud aligned with the guide hole in said side wall at the location of a hole to be drilled through said stud; and, drilling said hole through said stud through said guide hole in said one side wall of said sheet metal piece at said predetermined spacing from said stud outer face.