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»
Socket screws
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Socket cap
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Stainless steel 18-8
»
Coarse (standard) thread
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5/16"-18
Socket cap, Stainless steel 18-8, 5/16"-18 x 3"
Prod. #
Length
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Price
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4899
3"
$1.44
/ ea
$51.23
/ 50
$439.00
/ 500
$1.44
/ ea
$51.23
/ 50
$439.00
/ 500
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Product details
Bolt Depot product#
4899
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
Stainless steel
Grade
18-8
A corrosion resistant steel alloy. The most common stainless steel for general hardware use.
Thread density
Coarse
Diameter
5/16"
Thread count
18
Length
3"
Thread direction
Right hand
Drive depth
Minimum
0.151"
Head diameter
0.446"
-
0.469"
Head height
0.306"
-
0.312"
Drive size
1/4"
Fully threaded
No
Thread length
Minimum
1.12"
Body length
Minimum
1.35"
Dimensional standard
ASME B18.3
Additional information
US Socket cap sizes
What driver size do I need?
Matching Products
Click on a product # for additional info
Prod. #
Description
Buy
2564
Hex nuts, Stainless steel 18-8, 5/16"-18
A standard six sided nut.
Add
$0.11
/ ea
$7.29
/
100
$59.10
/
1000
2555
Hex nylon insert lock nuts, Stainless steel 18-8, 5/16"-18
A hex nut with a nylon ring to resist loosening.
Add
$0.22
/ ea
$15.64
/
100
$134.00
/
1000
2948
Flat washers, Stainless steel 18-8, 5/16"
General use flat washer
Add
$0.09
/ ea
$5.80
/
100
$46.50
/
1000
14815
High collar lock washers, Stainless steel 18-8, 5/16"
A split lock washer designed to fit under the head of a socket cap screw.
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$0.28
/ ea
$20.09
/
100
$180.00
/
1000
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Related Products
Driver bits
Bits for Allen drive screws (a.k.a. socket products).