Wood screws are unlikely to form a tight enough joint when used on sheet metal especially if they have a threadless shank.
Use wood screws of sheet metal screws for door hinges.
However if the hinge has only three holes add a 3 in.
Screws straight through the two holes toward the center of the door.
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On the other hand wood screws are better suited for applications involving plywood lumber and other wood materials.
These screws are not really interchangeable.
If the door has a large hinge with four screw holes just drive 3 in.
They are easier to drive into metal and will offer a greater level of strength and security.
Smaller numbers indicate smaller diameters.
For screws measured in inches diameters of 1 4 inch and smaller for machine and sheet metal screws or 5 16 inch and smaller for wood screws are expressed with a and a whole number ex a screw with a major diameter of 3 16 inch is a 10 screw.
In a bind if you re short of the right available screws you can use a sheet metal screw on wood.
However the opposite is not the case.