Screw Head Slot File

I used face mate but it was rotating Screw must not rotate File is attached then put an angle constraint on it using the faces shownpoof

The straight edge of a machinist's file with a rough bastard cut would put a slot in that screw head very quickly, maybe faster than a hacksaw

screw slot Find a screwdriver that FITS THE SLOT grind or file the screwdriver to fit if needed

screwdriver slot Create a driver blade slot in the head of a screw Fine cut, 4-38 long Precision made in Germany and Switzerland