Machine screws, Phillips flat head, Stainless steel 18-8, #4-40 x 1/2"

Phillips flat head

Prod. # Length Each price Bag price Bulk price Price Buy
3718 1/2" $0.13 / ea $3.44 / 100 $29.10 / 1000 $0.13 / ea $3.44 / 100 $29.10 / 1000
Cost of all entered products: $0.00
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Phillips flat machine screw dimensions
Product details
Bolt Depot product# 3718
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 Phillips
Phillips drive is x-shaped for installation with a Phillips 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 #4
Thread count 40
Length 1/2"
Thread direction Right hand
Dimensional standard ASME B18.6.3
Diameter in inches 0.112"
Head angle 82°
Head height 0.067"
Head diameter 0.191" - 0.212"
Drive size #1

Matching Products

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Prod. # Description Buy
4115
Hex machine screw nuts, Stainless steel 18-8, #4-40
A hex nut in smaller sizes for machine screw diameters under 1/4.
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$0.07 / ea
$2.88 / 100
$25.40 / 1000
4107
Hex nylon insert lock nuts, Stainless steel 18-8, #4-40
A hex nut with a nylon ring to resist loosening.
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$0.07 / ea
$3.87 / 100
$32.30 / 1000
5563
Flat washers, Stainless steel 18-8, #4
General use flat washer
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$0.07 / ea
$2.76 / 100
$22.50 / 1000
4070
Lock washers, Stainless steel 18-8, #4
Split lock washers place tension against a nut after tightening, to help prevent loosening.
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$0.07 / ea
$2.36 / 100
$20.50 / 1000

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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.