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Hex bolts
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Hex bolts
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Zinc plated grade 5 steel
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Fine thread
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3/8"-24
Hex bolts, Zinc plated grade 5 steel, 3/8"-24 x 2-1/2"
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497
2-1/2"
$0.90
/ ea
$34.81
/ 50
$304.00
/ 500
$0.90
/ ea
$34.81
/ 50
$304.00
/ 500
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Product details
Bolt Depot product#
497
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 tempered medium carbon steel.
Plating
Zinc
Zinc plated for moderate corrosion resistance.
Grade
Grade 5
Grade 5 falls between grade 2 and grade 8 in strength, and is commonly found in automotive applications.
Thread density
Fine
Diameter
3/8"
Thread count
24
Length
2-1/2"
Thread direction
Right hand
Length tolerance
+0.02" / -0.04"
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
0.226"
-
0.243"
Width across the flats
9/16"
Fully threaded
No
Thread length
Minimum
1"
Dimensional standard
ASME B18.2.1
Material standard
SAE J429
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
2577
Hex nuts, Zinc plated grade 5 steel, 3/8"-24
A standard six sided nut.
Add
$0.15
/ ea
$10.21
/
100
$81.70
/
1000
15031
SAE flat washers, Zinc plated grade 5 steel, 3/8"
SAE pattern is a tighter fit on the bolt and a smaller outside diameter.
Add
$0.09
/ ea
$5.69
/
100
$46.40
/
1000
15023
USS flat washers, Zinc plated grade 5 steel, 3/8"
USS pattern is the most common type of flat washer.
Add
$0.20
/ ea
$13.49
/
100
$118.00
/
1000
Add All Entered
See also
Metric hex bolts
A bolt with a six sided head.