Drill guide for drilling long holes in doors

A drilling guide for guiding a drill bit for drilling a long hole through a panel such as a door from one edge to another edge thereof, and between the sides thereof, said guide comprising an elongated, rigid, rectangular base plate positionable along and against said one edge, said plate defining opposed longitudinal side edges and opposed surfaces therebetween, said plate further defining an elongated slot opening into said surfaces for passing a drill bit, one of said surfaces being adapted for placement against said one panel edge, a pair of rigid rectangular arms mounted one on each said plate side edge at about the midpoint thereof and extending generally perpendicularly to said plate surfaces, at least one cap screw securing each said arm to the juxtaposed plate side edge, said arms integrally defining a pair of spaced apart jaws extending from the surface of said plate adapted to be placed against said panel edge for engaging opposite sides of said panel for holding said plate against said one edge of said panel, said arms further integrally defining a pair of spaced apart support members extending from the surface of said plate opposite said panel edge engaging surface, a block pivotally mounted between said support members and spaced from said plate, means for securing said block to said support members in a selected angular relationship thereto, and a drill guide tube adjustably carried by said block and extending between said arms for supporting and guiding an elongated drill bit extending and drilling at said selected angle through said elongated slot and said panel for drilling a long hole extending generally transversely through said panel from said one panel edge to the other.

A drilling jig for use with an elongated, stiffly flexible drill bit for drilling a long hole through a door from one edge thereof to another, and between the sides thereof, said jig comprising:

• a rigid, elongated, rectangular plate mountable on one edge of a door,
• means for securing said plate to said door,
• said plate defining an elongated slot extending lengthwise thereof,
• at least one rigid, elongated arm secured to said plate and extending therefrom in a perpendicular relationship thereto, a support block pivotally mounted on said arm and defining a bore having an axis lying in a plane perpendicular to said plate,
• a drill bit guide tube supported in said bore for angular adjustment with respect to said plate in a plane perpendicular to the plane of said plate, an axially extending flat on said guide tube, and a set screw threadably mounted in said block for releasably engaging said flat thereby releasable securing said guide tube in said block bore, whereby a long hole can be drilled through said door by an elongated drill bit guided by said guide tube and extending through said elongated drill plate slot.