Glarks 20 Sets 40mm/1.6inch Stainless Steel Flat Straight Brace Brackets Mending Joining Plates Repair Fixing Bracket Connector and 40pcs Self Tapping Screws Set (40mm/1.6inch)

Yeah, you can also probably just use a drill bit. We used round ones similar to this. So just drill back of frame and back of door and pop in the plate. https://a.co/d/00iRojuU Note, make sure to check your screw lengths after you route out