Combination truss head

Machine screws, Combo truss head, Zinc plated steel, 5/16"

Machine screw diameter is measured on the outside of the threads.

Combo truss head machine screw diameter

Diameter and Thread count

Matching Products

Click on a product # for additional info

Prod. # Description Buy
USS flat washers, Zinc plated steel, 5/16"
USS pattern is the most common type of flat washer.
$0.05 each
$2.50 / 100
$20.00 / 1000
SAE flat washers, Zinc plated steel, 5/16"
SAE pattern is a tighter fit on the bolt and a smaller outside diameter.
$0.06 each
$2.18 / 100
$17.80 / 1000
Lock washers, Zinc plated steel, 5/16"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
$0.06 each
$1.75 / 100
$15.00 / 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.