After some thought, he decided it didn't need to be that big.
The steel plates were two centimeters thick, and together they measured four centimeters thick.
Screws with a four-centimeter diameter would be appropriate.
However, using screws to drill into steel plates was truly exaggerated.
How to create screws in the steel plates was a conundrum for Ma Lin.
If the goal was merely to secure the steel plates and prevent them from falling, that was relatively easy to achieve.
If he also wanted the plates to fit tightly with no gaps, that required some clever thinking.
He thought of drilling large holes through the plates, inserting a thick bolt, and installing nuts on the outside.
The grooves would be built large and sturdy, using larger pliers to tighten the nuts, securing them.
Indeed, this was a viable method.
But he would have to manufacture this type of bolt and nut himself.
Therefore, he needed to assemble equipment to carve screws onto thick metal cylinders.
