Here are are some really nice hinges that open 90 degrees and comes with 4 screws per hinge.
4 Pieces - hinge with screws
Alloy (Cadmium Free)
Size: Approx.: 20mm x 24mm ( 6/8"x1")
Hole size: 2.4mm( 1/8") Thickness: 2.5mm( 1/8")
conversion : 1 inch = 25.4mm or 1mm = 0.0393 inch
Color: Antique Bronze
Note Can only be bent 90 degrees