The only advantages I know of for the user is that you can easily clean a slotted drive and — possibly — use field expedient items like butter knives and quarters to turn the screw.

They’re simple and work well for many applications. Consisting of a flat drive tip that fits into a single slot on a screw ...

Machines screws have a flat or tapered point and assemble pre-tapped workpieces, or pre-drilled substrates in union with a nut. Slotted and Phillips drives are unquestionably the most common type of ...

The head is the largest diameter section of the shoulder screw, which prevents the screw from being inserted further than its length, and provides a bearing surface, as well as a drive mechanism ...

As anyone who has driven in a flathead screw can testify, slotted screws need to be centered ... though its basic appeal—a no ...