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A screw will always need a head.

A screw will always have a head, allowing it to be turned or driven in and bear down onto a surface to be held. The head of the screw is the first step in its manufacture and is known as heading, the second step on a slotted screw is to have the slot cut into the head.

Screw Head Types

The strength of a joint in timber can rely on several things; it’s design, like a mortice and tenon, glue and the addition of a mechanical fixing like a nail or a screw which can help to pull tight a well designed joint. Hindges, locks, handles and stays, where the head is seen, are often held in place with a variety of decorative screws.

  • Bugle Head, flared head similar to a countersunk head
  • Countersunk or a Flat Head, allows the head to be sunk into the material flush with its finished surface
  • Raised Countersunk, decorative with the a raised top and countersunk bottom
  • Round Head, dome shaped used for decoration
  • Cheese Head, height is approximately half the head diameter

Next time you're looking in your toolbox you should have a good idea of the type of screws you have.