Machine screws, Slotted flat head, Zinc plated steel, 5/16"-18 x 3-1/2"

Slotted flat head

Prod. # Length Each price Bag price Bulk price Price Buy
1684 3-1/2" $0.94 / ea $59.88 / 100 $536.00 / 1000 $0.94 / ea $59.88 / 100 $536.00 / 1000
Cost of all entered products: $0.00
Add to Cart

Product Images

Slotted flat machine screw dimensions

Product details

Bolt Depot Product #: 1684
Units: US
Category: Machine screws
Subcategory: Machine screws
Head style: Flat
Drive type: Slotted
Material: Steel
Plating: Zinc
Thread density: Coarse
Diameter: 5/16"
Thread count: 18
Length: 3-1/2"
Thread direction: Right hand
Dimensional standard: ASME B18.6.3
Head angle: 82°
Head height: 0.191"
Head diameter Min: 0.556"
Head diameter Max: 0.597"

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.
Add
$0.13 / ea
$5.07 / 100
$40.80 / 1000
2625
Hex nylon insert lock nuts, Zinc plated steel, 5/16"-18
A hex nut with a nylon ring to resist loosening.
Add
$0.13 / ea
$6.65 / 100
$57.10 / 1000
2995
USS flat washers, Zinc plated steel, 5/16"
USS pattern is the most common type of flat washer.
Add
$0.12 / ea
$5.55 / 100
$44.30 / 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
$0.08 / ea
$2.88 / 100
$23.50 / 1000
3025
Lock washers, Zinc plated steel, 5/16"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
Add
$0.08 / ea
$2.53 / 100
$21.70 / 1000

Related Products

Slotted bits

Driver bits

Bits for slotted screws.

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.