Take a drill bit and a screw with similar sizes. Check if the width is similar to the screw, excluding the threads. If the screw with the threads is the same size as the bit, you will likely have a bigger hole than you need. ...
The pilot hole recommendationsin the chart are typical for softwoods. Hardwoods may well need a slightly larger pilot hole. If the screw starts to get too tight, then it’s advisable to back out and re-drill a larger pilot hole rather than risk breaking a screw (you’ll be having a ve...