Whether you are a beginner or a professional crack master, sometimes knowing when to stop drilling to get a good bullseye can be hard to gauge.
To the left here is an image of trying to tap a bullseye, but as mentioned can be very difficult to gauge.
Well, here is an an easy way to make your own drilling guide and handle for your bullseye tapping needle for less than a penny! Electrical tape wrapped around the needle for accurate depth every time.
The outerlite of the windshield is 2 millimeters thick. You want to drill half way through, 1 millimeter deep. 1.5 millimeters at the most.
