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Hex bolts
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Hex bolts
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Chrome plated steel
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Coarse (standard) thread
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5/16"-18
Hex bolts, Chrome plated steel, 5/16"-18 x 4-1/2"
Prod. #
Length
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18607
4-1/2"
$4.35
/ ea
$39.25
/ 10
$377.00
/ 100
$4.35
/ ea
$39.25
/ 10
$377.00
/ 100
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Product details
Bolt Depot product#
18607
Units
US
Category
Hex bolts
Bolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts.
Subcategory
Hex bolts
A bolt with a six sided head.
Material
Steel
A low carbon steel for general use.
Plating
Chrome
Chrome plated and polished for a mirror like finish.
Thread density
Coarse
Diameter
5/16"
Thread count
18
Length
4-1/2"
Thread direction
Right hand
Length tolerance
+0.06" / -0.10"
Head style
Hex
Hex heads are six sided for use with a wrench.
Drive type
External hex
A hexagonal head for use with a wrench.
Head height
0.195"
-
0.211"
Width across the flats
1/2"
Fully threaded
No
Thread length
Minimum
7/8"
Dimensional standard
ASME B18.2.1
Additional information
US Hex bolt sizes
US bolt thread length table
Head/Wrench size table
US hex bolt recommended torque
Matching Products
Click on a product # for additional info
Prod. #
Description
Buy
9447
Hex nuts, Chrome plated steel, 5/16"-18
A standard six sided nut.
Add
$1.06
/ ea
$9.16
/
10
$84.50
/
100
9486
SAE flat washers, Chrome plated steel, 5/16"
SAE pattern is a tighter fit on the bolt and a smaller outside diameter.
Add
$1.28
/ ea
$10.55
/
10
$97.10
/
100
9459
Hex nylon insert lock nuts, Chrome plated steel, 5/16"-18
A hex nut with a nylon ring to resist loosening.
Add
$1.58
/ ea
$13.51
/
10
$124.00
/
100
9480
USS flat washers, Chrome plated steel, 5/16"
USS pattern is the most common type of flat washer.
Add
$1.26
/ ea
$10.55
/
10
$97.10
/
100
9493
Lock washers, Chrome plated steel, 5/16"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
Add
$1.58
/ ea
$12.73
/
10
$117.00
/
100
Add All Entered
See also
Metric hex bolts
A bolt with a six sided head.