So as part of your basic home defense work remove those 1 inch screws drill pilot holes using a 1 16 drill bit and put in 3 inch screws either 8 or 9 size as large as will fit in the holes in your hinges and strike plates.
How many 3 screws in entry door hinge.
Attach it with 3 in.
For use on light weight doors of low frequency usage.
Heavy weight ball bearing 5 knuckle or anti friction bearing 3 knuckle.
If the door has a large hinge with four screw holes just drive 3 in.
There is nothing wrong with putting in all 3 screws in every single hole.
Screw through the middle hole and redrill the top screw hole at a slight angle so the screw hits solid wood.
Standard weight ball bearing.
To further reinforce the doorjamb install a new strike plate in place of the old lip door strike plate that serves the doorknob lockset.
Make sure the screwheads seat flush with the face of the strike plate.
This is where you put the 3 screw which will penetrate the stud behind the jamb.
Screws straight through the two holes toward the center of the door.
Oil rubbed bronze phillips flat head long hinge screw with oversize threads to tighten interior doors 18 pack.
Extra long fringe screw can be used to repair loose and stripped door hinge screws or to make entry doors more secure.
More product details close 9 3 in.
Screws used for the deadbolt plate were too large.
Due to the variety of door sizes and weights hinges are placed into three groups.
For hinges remove and replace only two screws at a time so your door remains stable during the procedure.
However if the hinge has only three holes add a 3 in.
For use on heavy doors of high frequency usage.