I use pan head short screws. I think some are number 10s and some are 12s as the holes have worn. The front ones don’t seem to matter because you have bolted the top down in the back which is really holding the top down.
Oh don't tighten them down too hard as they will strip, just snug.
CJ7 79 258 Clifford Stage II, intake, headers, cam, and head. Weber 38x38 w Cagle, Rancho 2 1/2 body Mallory dist and MSD, dual batteries Ramsey winch T18 Dana 20 with Teraflex gears AMC 20 ARB disc Dana 30 Lockright Aero 26 gal tank Tomken Machine bumpers and swing out spare tire. 33" procomp Xterrain tires.