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Socket button head, Stainless steel 316, #4-40 x 3/8"

Socket button head screw

Prod. # Length Each price Bag price Bulk price Price Buy
21715 3/8" $0.14 / ea $9.48 / 100 $81.60 / 1,000 $0.14 / ea $9.48 / 100 $81.60 / 1,000
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Socket button head dimensions
Product details
Bolt Depot product# 21715
Units US
Category Socket screws
Screws with an Allen wrench drive.
Head style Button
Button heads are rounded and low profile.
Drive type Allen
Allen (hex socket) drive is a six-sided recess for use with an Allen wrench (hex key).
Material Stainless steel
Grade 316
A highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments.
Thread density Coarse
Diameter #4
Thread count 40
Length 3/8"
Drive depth Minimum 0.035"
Thread direction Right hand
Diameter in inches 0.112"
Head diameter 0.201" - 0.213"
Head height 0.051" - 0.059"
Drive size 1/16"
Fully threaded Yes
Dimensional standard ASME B18.3

Matching Products

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Prod. # Description Buy
15998
Hex machine screw nuts, Stainless steel 316, #4-40
A hex nut in smaller sizes for machine screw diameters under 1/4".
$0.13 / ea
$8.44 / 100
$76.00 / 1,000
16003
Hex nylon insert lock nuts, Stainless steel 316, #4-40
A hex nut with a nylon ring to resist loosening.
$0.07 / ea
$6.59 / 100
$59.30 / 1,000
22976
$0.08 / ea
$3.50 / 100
$28.00 / 1,000

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