Socket screws have an allen wrench drive.

Socket screws, Chrome plated steel, 5/16"-18

Socket head screw (smooth)

Socket cap (smooth)

Socket caps have a small cylindrical head with tall vertical sides. Allen (hex socket) drive is a six-sided recess for use with an allen wrench (hex key).

  • Chrome plated steel
Socket flat head screw

Socket flat head

Flat heads are countersunk (cone shaped under the head) with a flat top. Allen (hex socket) drive is a six-sided recess for use with an allen wrench (hex key).

  • Chrome plated steel
Socket button head screw

Socket button head

Button heads are rounded and low profile. Allen (hex socket) drive is a six-sided recess for use with an allen wrench (hex key).

  • Chrome plated steel

Matching Products

Click on a product # for additional info

Prod. # Description Buy
9480
USS flat washers, Chrome plated steel, 5/16"
USS pattern is the most common type of flat washer.
Add
$1.10 each
$9.18 / 10
$84.40 / 100
9486
SAE flat washers, Chrome plated steel, 5/16"
SAE pattern is a tighter fit on the bolt and a smaller outside diameter.
Add
$1.11 each
$9.18 / 10
$84.40 / 100

See also

Socket product

Metric socket screws

Screws with an allen wrench drive.

Set screw

Set screws

Screws with no head and machine threads for use in a tapped hole.

Shoulder bolt

Shoulder bolts

Screws with an unthreaded shoulder that is larger in diameter than the threads. Also known as stripper bolts.