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Machine screws, #12

Phillips pan head

Phillips pan head

Pan heads are slightly rounded with short vertical sides. Phillips drive is x-shaped for installation with a Phillips screw driver.

Spanner pan head machine screws

Spanner pan head

Pan heads are slightly rounded with short vertical sides. Spanner (a.k.a. snake eyes) is a tamper resistant drive that requires a special driver to install.

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.

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.

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.

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.

See also

Metric machine screw

Metric machine screws

Screws with machine threads for use with a nut or in a tapped hole.

Socket product

Socket screws

Screws with an Allen wrench drive.