Why You Should Use a Core Drill Wet for Hard Concrete
Deciding to use a core drill wet is usually the smartest move when you're staring down a thick slab of reinforced concrete or heavy stone. If you've ever tried to bore a four-inch hole through a foundation wall without any cooling, you know exactly how fast things can go south. The heat builds up, the bit starts glowing, and before you know it, you've fried a several-hundred-dollar diamond bit. ...