The 3/16-inch concrete screw requires what size bit?
If you're standing in the hardware aisle wondering the 3/16-inch concrete screw requires what size bit, the short answer is you're going to need a 5/32-inch masonry bit. It feels a little counterintuitive because we're used to wood screws where you just grab a bit that looks "about right," but with concrete fasteners, precision is pretty much the whole game. If you go too big, the screw won't have anything to grab onto; go too small, and you'll likely snap the head right off the screw before it's even halfway in. ...