Hex bolts, Zinc plated grade 5 steel, 5/16"-24 x 4-1/2"

Grade 5 hex bolt

Prod. # Length Each price Bag price Bulk price Price Buy
485 4-1/2" $1.34 / ea $49.83 / 50 $410.00 / 500 $1.34 / ea $49.83 / 50 $410.00 / 500
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Product Images

Hex cap screw Varies (Body) dimensions
Grade 5 (Head) dimensions
Product details
Bolt Depot product# 485
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, either Grade 2 or A307A.
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 5/16"
Thread count 24
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
Material standard SAE J429

Matching Products

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Prod. # Description Buy
2576
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$0.08 / ea
$5.30 / 100
$42.30 / 1000
15030
SAE flat washers, Zinc plated grade 5 steel, 5/16"
SAE pattern is a tighter fit on the bolt and a smaller outside diameter.
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$0.12 / ea
$4.50 / 100
$40.00 / 1000
15022
USS flat washers, Zinc plated grade 5 steel, 5/16"
USS pattern is the most common type of flat washer.
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$0.12 / ea
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See also

Metric hex bolt

Metric hex bolts

A bolt with a six sided head.