If you haven’t used a hole saw before, here are some easy DIY tips to keep in mind: When using a hole saw to drill through hardwoods or board products such as supawood (MDF) only use a minimum 500W ...

You'll get the best results when drilling ceramic, porcelain, or concrete with a masonry bit tipped with carbide or diamond. A carbide bit will be slower going than diamond. You can also use a ...

There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and annular cutters. 1. Twist drill bits. Especially in steel thicker than ¼", ...