Wood screw

Wood screws, #8 x 3/4"

Wood screws have large threads for use in wood.

Wood screws, #8 x 3/4"

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.

  • Stainless steel 18-8
  • Stainless steel 316
  • Zinc plated steel
  • Brass
Frearson flat head

Frearson flat head

Flat heads are countersunk (cone shaped under the head) with a flat top. Frearson drive is x-shaped, similar to (but not compatible with) phillips.

  • Silicon bronze
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.

  • Stainless steel 18-8
  • Zinc plated steel
  • Brass
  • Silicon bronze
Slotted oval head

Slotted oval head

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

  • Stainless steel 18-8
  • Brass
  • Silicon bronze
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
  • Brass
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.

  • Stainless steel 18-8
  • Zinc plated steel
  • Brass
  • Silicon bronze
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.

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.