Screw Head Designs:
Slotted:
Used with a flat-head screwdriver.
Phillips:
Designed for use with a Phillips screwdriver.
Robertson:
Features a square-shaped indentation and requires a matching driver head.
Hex:
Includes Allen screws (hexagonal indent for an Allen wrench) and socket head screws (requires a socket wrench).
Other: Expanded and combined head designs are also available.
Screw Tip Shapes:
Pointed:
For guiding the screw into a precise location.
Flat:
Used when there’s a pre-drilled hole.
Self-tapping:
Have a split point that cuts into the surface like a drill bit.