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Socket flat head, Stainless steel 316, 1/4"-20 x 7/8"

Socket flat head screw

Prod. # Length Each price Bag price Bulk price Price Buy
21813 4 7/8" $1.37 / ea $61.00 / 100 $525.00 / 1,000 $1.37 / ea $61.00 / 100 $525.00 / 1,000

4 This item is a semi-standard size and is therefore more expensive.

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Socket flat head dimensions
Product details
Bolt Depot product# 21813
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 316
A highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments.
Thread density Coarse
Diameter 1/4"
Thread count 20
Length 7/8"
Drive depth Minimum 0.111"
Thread direction Right hand
Head angle 82°
Head height 0.161"
Head diameter 0.480" - 0.531"
Drive size 5/32"
Fully threaded Yes
Dimensional standard ASME B18.3

Matching Products

Click on a product # for additional info

Prod. # Description Buy
15983
$0.12 / ea
$7.25 / 100
$58.40 / 1,000
16008
Hex nylon insert lock nuts, Stainless steel 316, 1/4"-20
A hex nut with a nylon ring to resist loosening.
$0.21 / ea
$19.45 / 100
$175.00 / 1,000
16019
$0.14 / ea
$9.37 / 100
$75.00 / 1,000

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