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The slotted screw drive – also known as flat-head – is the oldest type of drive that simply features a straight slot across its head. ...

Binding Head- Binding screw heads are similar to pan heads and typically have a deep slot in the center of the head. They also have a prominent undercut beneath the head of the screw that provides space for wire connections.

14 X 2 Wood Screw Brass Slotted Round Head 1/4" USA antique decorative (12 pcs) ... Vintage Solid Brass Wood Screws Round Slot Head 3/4" Long by #4.