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Hex bolts
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Hex bolts
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Zinc plated grade 8 steel yellow
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Fine thread
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1/4"-28
Hex bolts, Zinc plated grade 8 steel yellow, 1/4"-28 x 3"
Prod. #
Length
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Price
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727
3"
$0.68
/ ea
$27.12
/ 50
$244.00
/ 500
$0.68
/ ea
$27.12
/ 50
$244.00
/ 500
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Product details
Bolt Depot product#
727
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 8
Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications.
Color
Yellow
Thread density
Fine
Diameter
1/4"
Thread count
28
Length
3"
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
0.150"
-
0.163"
Width across the flats
7/16"
Fully threaded
No
Thread length
Minimum
3/4"
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
2592
Hex nuts, Zinc plated grade 8 steel yellow, 1/4"-28
A standard six sided nut.
Add
$0.12
/ ea
$7.81
/
100
$62.40
/
1,000
3047
SAE flat washers, Zinc plated grade 8 steel yellow, 1/4"
SAE pattern is a tighter fit on the bolt and a smaller outside diameter.
Add
$0.09
/ ea
$5.76
/
100
$47.00
/
1,000
7180
Hex nylon insert lock nuts, Zinc plated grade 8 steel yellow, 1/4"-28
A hex nut with a nylon ring to resist loosening.
Add
$0.16
/ ea
$9.65
/
100
$82.40
/
1,000
3060
USS flat washers, Zinc plated grade 8 steel yellow, 1/4"
USS pattern is the most common type of flat washer.
Add
$0.10
/ ea
$6.53
/
100
$54.60
/
1,000
3037
Lock washers, Zinc plated grade 8 steel yellow, 1/4"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
Add
$0.06
/ ea
$2.89
/
100
$25.70
/
1,000
Add All Entered
See also
Metric hex bolts
A bolt with a six sided head.