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

Socket flat head screw

Prod. # Length Each price Bag price Bulk price Price Buy
4443 1/2" $0.06 / ea $4.09 / 100 $34.70 / 1,000 $0.06 / ea $4.09 / 100 $34.70 / 1,000
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Socket flat head dimensions
Product details
Bolt Depot product# 4443
Units US
Category Socket screws
Screws with an Allen wrench drive.
Head style Flat
Flat heads are countersunk (cone shaped under the head) with a flat top.
Drive type Allen
Allen (hex socket) drive is a six-sided recess for use with an Allen wrench (hex key).
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"
Drive depth Minimum 0.055"
Thread direction Right hand
Diameter in inches 0.112"
Head angle 82°
Head height 0.083"
Head diameter 0.218" - 0.255"
Drive size 1/16"
Fully threaded Yes
Dimensional standard ASME B18.3

Matching Products

Click on a product # for additional info

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".
$0.07 / ea
$2.88 / 100
$25.40 / 1,000
4107
Hex nylon insert lock nuts, Stainless steel 18-8, #4-40
A hex nut with a nylon ring to resist loosening.
$0.07 / ea
$3.87 / 100
$32.50 / 1,000
5563
$0.07 / ea
$2.76 / 100
$22.10 / 1,000

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