For use on heavy doors of high frequency usage.
How many 3 screws in entry door hinge.
Attach it with 3 in.
However if the hinge has only three holes add a 3 in.
For use on light weight doors of low frequency usage.
Make sure the screwheads seat flush with the face of the strike plate.
For use on medium weight doors of medium frequency usage.
Heavy weight ball bearing 5 knuckle or anti friction bearing 3 knuckle.
When you purchase a prehung exterior door you may notice on the jamb side of the hinge there is one screw missing from each hinge.
To further reinforce the doorjamb install a new strike plate in place of the old lip door strike plate that serves the doorknob lockset.
For hinges remove and replace only two screws at a time so your door remains stable during the procedure.
If the door has a large hinge with four screw holes just drive 3 in.
Screws straight through the two holes toward the center of the door.
Due to the variety of door sizes and weights hinges are placed into three groups.
Oil rubbed bronze phillips flat head long hinge screw with oversize threads to tighten interior doors 18 pack.
Standard weight plain bearing.
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.
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.
Screws used for the deadbolt plate were too large.
This is where you put the 3 screw which will penetrate the stud behind the jamb.