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Machine screws, Combo truss head, Zinc plated steel, 5/16" x 6"

Combination truss head

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
2995
USS flat washers, Zinc plated steel, 5/16"
USS pattern is the most common type of flat washer.
$0.06 / ea
$4.20 / 100
$35.70 / 1,000
2977
SAE flat washers, Zinc plated steel, 5/16"
SAE pattern is a tighter fit on the bolt and a smaller outside diameter.
$0.05 / ea
$3.20 / 100
$27.20 / 1,000
3025
Lock washers, Zinc plated steel, 5/16"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
$0.08 / ea
$2.53 / 100
$21.70 / 1,000

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.