Use a drill bit with a diameter slightly larger than the tip of the square drive bit. We match a 9/64-inch drill bit with a No. 2 bit. This makes a snug fit, allowing the bit's corners to dig into ...

A better solution is the Phillips-head screw because it grips the driver's tip in the center of the head where it's less likely to slip. Even better is the Robertson, or square-drive screw--a ...

That exact problem spawned a number of different types of screws, from Robertson to square-drive to Phillips head screws.Phillips-drive screws won the popularity battle, clearly, but they will ...

Phillips wasn't trying to make life with hand tools easier. He was trying to solve an industrial problem. To drive a slot screw, you need hand-eye coordination to line up the screwdriver and the slot.

The Robertson square-drive: a screw topped with a square hole ready to receive its matching hand driver. A thing of beauty for Canadian woodworkers because that recessed square won't let you slip out.