Wood screw

Wood screws, Zinc plated steel

Wood screws have large threads for use in wood.

Wood screws, Zinc plated steel

Phillips flat head

Phillips flat head

Flat heads are countersunk (cone shaped under the head) with a flat top. Phillips drive is x-shaped for installation with a phillips screw driver.

  • Zinc plated steel
Slotted flat head

Slotted flat head

Flat heads are countersunk (cone shaped under the head) with a flat top. Slotted drive has a simple slot for a flat bladed screw driver.

  • Zinc plated steel
Phillips round head

Phillips round head

Round heads are domed and look like half of a sphere. Phillips drive is x-shaped for installation with a phillips screw driver.

  • Zinc plated steel
Slotted round head

Slotted round head

Round heads are domed and look like half of a sphere. Slotted drive has a simple slot for a flat bladed screw driver.

  • Zinc plated steel
Square flat head nibs

Square flat head w/ nibs, type 17

Type 17 screws have an auger point. Countersinking nibs aid in material removal. Flat heads are countersunk (cone shaped under the head) with a flat top. Square drive is designed to reduce the risk of cam-out (stripping) and allow single-handed installation.

  • Zinc plated steel

See also

Sheet metal screw

Sheet metal screws

Screws with large threads for use in sheet metal sometimes also used in plastic, fiberglass, or wood.

Deck screws & Timber screws

Deck screws & Timber screws

Screws for wood to wood fastening applications such as decks, docks, and ledgers, etc.