Need a big hole? Start small! Most twist bits are available in sizes up to 1 in. in diameter, but you’ll get the best results by starting with a 1/4-in. hole and drilling successively larger ...

Struggling with angled holes? Learn the best techniques and tools for accurate angle boring in your woodworking ... Got Booed Into Oblivion in His First Big Appearance Since Turning Heel 7 Things ...

Here's how the tunnel boring machine ... grinds into the tunnel face and splits large chunks off the rock. The cutter head carves a smooth round hole through the rock -- the exact shape of ...