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Machine screws, Slotted flat head, Stainless steel 18-8, 1/2"-13 x 8"

Slotted flat head

Prod. # Length Each price Bag price Bulk price Price Buy
3578 8" $30.32 / ea $643.77 / 25 $5,922.00 / 250 $30.32 / ea $643.77 / 25 $5,922.00 / 250
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Slotted flat machine screw dimensions
Product details
Bolt Depot product# 3578
Units US
Category Machine screws
Screws with machine threads for use with a nut or in a tapped hole.
Subcategory Machine screws
Machine screws have machine threads for use with a nut or in a tapped hole.
Head style Flat
Flat heads are countersunk (cone shaped under the head) with a flat top.
Drive type Slotted
Slotted drive has a simple slot for a flat bladed screw driver.
Material Stainless steel
Grade 18-8
A corrosion resistant steel alloy. The most common stainless steel for general hardware use.
Thread density Coarse
Diameter 1/2"
Thread count 13
Length 8"
Dimensional standard ASME B18.6.3
Thread direction Right hand
Head angle 82°
Head height 0.223"
Head diameter 0.765" - 0.815"
Thread length 2-1/2"

Matching Products

Click on a product # for additional info

Prod. # Description Buy
2566
$0.43 / ea
$13.56 / 50
$114.00 / 500
2557
Hex nylon insert lock nuts, Stainless steel 18-8, 1/2"-13
A hex nut with a nylon ring to resist loosening.
$0.63 / ea
$13.19 / 25
$111.00 / 250
2950
$0.28 / ea
$18.76 / 100
$150.00 / 1,000
2959
Lock washers, Stainless steel 18-8, 1/2"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
$0.28 / ea
$19.43 / 100
$171.00 / 1,000

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