11-10-15, 10:32 PM
You won't drill through the middle of the spark plug! It has a ceramic core. Harder than any drill bit. With a very small metal part going through the middle of that
You'll drill through the metal, but as soon as you hit the ceramic the drill will just spin in the hole.
You'll drill through the metal, but as soon as you hit the ceramic the drill will just spin in the hole.
-suck-squeeze-bang-blow-