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Step 5: Drills the power rails plates

Picture of Drills the power rails plates
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Simply drill out holes in the plates. The holes size depends of the screw you will use.

I use #6 wooden screws.

I use a metal punch to mark where I wanted the holes. This will help you center the drill bit when drilling.
You could use a sharp nail and a hammer to mark the metal instead of using a metal punch.

After drilling I use a big drill bit to scuff the metals bits. ( By hand )
 
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