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Machine screws, Zinc plated steel, 5/16"-18 x 2"

Machine screw

Machine screws, Zinc plated steel, 5/16"-18 x 2"

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.

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 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.

Matching Products

Click on a product # for additional info

Prod. # Description Buy
2649
Hex nuts, Zinc plated steel, 5/16"-18
A standard six sided nut.
$0.09 / ea
$6.25 / 100
$50.00 / 1,000
2625
Hex nylon insert lock nuts, Zinc plated steel, 5/16"-18
A hex nut with a nylon ring to resist loosening.
$0.14 / ea
$6.99 / 100
$60.00 / 1,000
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

Related Products

Driver bits

Driver bits

Driver bits are available in various drive types and bit styles.

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.