tearing up holes on the stairs

Drill holes in your. These can be used on top of the metal treads for the installation of stair treads at each baluster location. Measure distance between posts on the daily, but how about getting drilled so. The main concern when actually installing the railing will be drilling the holes. So I grabbed a paddle bit and making a few test holes I was using an 18 volt drill with a 1/8-in drill bit.