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Socket flat head, Alloy steel black oxide finish, #4-40 x 1/8"

Socket flat head screw

Prod. # Length Each price Bag price Bulk price Price Buy
12649 4 1/8" $0.40 / ea $29.23 / 100 $249.00 / 1,000 $0.40 / ea $29.23 / 100 $249.00 / 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# 12649
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 Alloy steel
A high strength heat treated alloy steel.
Finish Black oxide
A chemically produced coating that leaves the steel surface with a matte black finish and offers mild corrosion resistance.
Thread density Coarse
Diameter #4
Thread count 40
Length 1/8"
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"
Dimensional standard ASME B18.3
Material standard ASTM F835

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