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Socket cap, Alloy steel black oxide finish, Coarse (standard) thread, #8 x 3/8"

Socket head screw

Prod. # Length Each price Bag price Bulk price Price Buy
4998 3/8" $0.11 / ea $6.76 / 100 $55.00 / 1,000 $0.11 / ea $6.76 / 100 $55.00 / 1,000
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Socket head dimensions
Socket head dimensions
Product details
Bolt Depot product# 4998
Units US
Category Socket screws
Screws with an Allen wrench drive.
Head style Socket cap
Socket caps have a small cylindrical head with tall vertical sides.
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 #8
Thread count 32
Length 3/8"
Drive depth Minimum 0.077"
Thread direction Right hand
Diameter in inches 0.164"
Head diameter 0.257" - 0.270"
Head height 0.159" - 0.164"
Drive size 9/64"
Fully threaded Yes
Dimensional standard ASME B18.3
Material standard ASTM A574

Matching Products

Click on a product # for additional info

Prod. # Description Buy
14796
High collar lock washers, Alloy steel black oxide finish, #8
A split lock washer designed to fit under the head of a socket cap screw.
$0.08 / ea
$5.26 / 100
$47.20 / 1,000

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Allen bits

Driver bits

Bits for Allen drive screws (a.k.a. socket products).

See also

Shoulder bolt

Shoulder bolts

Screws with an unthreaded shoulder that is larger in diameter than the threads. Also known as stripper bolts.

Socket head screw (smooth)

Socket cap (smooth)

Socket caps have a small cylindrical head with tall vertical sides. Allen (hex socket) drive is a six-sided recess for use with an Allen wrench (hex key).