Machine screw

Machine screws, Zinc plated steel, 5/16"

Machine screws, Zinc plated steel, 5/16"

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.

  • 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
Combination truss head

Combo truss head

Truss heads are wide with a low profile rounded top. Combination drive can be used with either a flat bladed or 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

Matching Products

Click on a product # for additional info

Prod. # Description Buy
2995
USS flat washers, Zinc plated steel, 5/16"
USS pattern is the most common type of flat washer.
Add
$0.05 each
$2.38 / 100
$19.30 / 1000
2977
SAE flat washers, Zinc plated steel, 5/16"
SAE pattern is a tighter fit on the bolt and a smaller outside diameter.
Add
$0.06 each
$2.18 / 100
$17.80 / 1000
3025
Lock washers, Zinc plated steel, 5/16"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
Add
$0.05 each
$1.53 / 100
$13.10 / 1000

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.