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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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1/2"-20
Hex bolts, Zinc plated grade 5 steel, 1/2"-20 x 1-1/2"
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Length
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524
1-1/2"
$0.99
/ ea
$41.72
/ 50
$364.00
/ 500
$0.99
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$41.72
/ 50
$364.00
/ 500
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Product details
Bolt Depot product#
524
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
1/2"
Thread count
20
Length
1-1/2"
Thread direction
Right hand
Length tolerance
+0.04" / -0.06"
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
0.302"
-
0.323"
Width across the flats
3/4"
Fully threaded
Yes
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
2579
Hex nuts, Zinc plated grade 5 steel, 1/2"-20
A standard six sided nut.
Add
$0.30
/ ea
$10.24
/
50
$81.90
/
500
15033
SAE flat washers, Zinc plated grade 5 steel, 1/2"
SAE pattern is a tighter fit on the bolt and a smaller outside diameter.
Add
$0.43
/ ea
$14.25
/
50
$123.00
/
500
15025
USS flat washers, Zinc plated grade 5 steel, 1/2"
USS pattern is the most common type of flat washer.
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$0.33
/ ea
$11.15
/
50
$97.70
/
500
Add All Entered
See also
Metric hex bolts
A bolt with a six sided head.