examples of heads
Head: broadened end of the screw, whose shape and slot vary.
Slotted head topped with an ornamental spherical part that is not driven beneath the wood’s surface.
Slotted head having two opposing quarters removed so that the screw can be turned one way only, making it very difficult to unscrew.
Head with a square socket that varies in size.
Slotted rounded head whose base is flat so that it presses against the wood or metal surface.
Head whose crisscross indentation keeps the screwdriver in the middle of the head, providing a very firm grip.
Slotted head becoming flush with the surface of the wood when completely embedded.