If you want to disassemble anything even standard wood screws won't let you do it multiple times (you can fill in the boss with toothpicks/pva, but still). What

If you want to disassemble anything even standard wood screws won't let you do it multiple times (you can fill in the boss with toothpicks/pva, but still). What you want is machine bolts and metal (zinc) wood inserts. Since it's chipboard, it'd take epoxy when installing the wood inserts. Unlimited amount of assembly/disassembly.