How to choose a screw drive
Anyone regularly using simple slotted drive screws – with a traditional straight bladed screwdriver, will be aware of its shortcomings, and with a power driver then even more so. The old-style slotted drive will “cam-out” easily, is almost impossible to centre and if the tool or slot is even slightly worn, then is extremely different to install or remove. Consequently, with the need in industry for a faster, more reliable approach a variety of different styles are now available.