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Hex bolts, Zinc plated grade 5 steel, 3/8"-16 x 5-1/2"

Grade 5 hex bolt

Prod. # Length Each price Bag price Bulk price Price Buy
370 5-1/2" $1.09 / ea $43.27 / 50 $359.00 / 500 $1.09 / ea $43.27 / 50 $359.00 / 500
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Hex cap screw Varies (Body) dimensions
Grade 5 (Head) dimensions
Product details
Bolt Depot product# 370
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 Coarse
Diameter 3/8"
Thread count 16
Length 5-1/2"
Length tolerance +0.00" / -0.10"
Thread direction Right hand
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

Matching Products

Click on a product # for additional info

Prod. # Description Buy
2571
$0.11 / ea
$7.53 / 100
$60.20 / 1,000
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.
$0.17 / ea
$11.09 / 100
$95.40 / 1,000
21806
Hex nylon insert lock nuts, Zinc plated grade 5 steel, 3/8"-16
A hex nut with a nylon ring to resist loosening.
$0.29 / ea
$19.20 / 100
$163.00 / 1,000
15023
USS flat washers, Zinc plated grade 5 steel, 3/8"
USS pattern is the most common type of flat washer.
$0.20 / ea
$13.49 / 100
$121.00 / 1,000

See also

Metric hex bolt

Metric hex bolts

A bolt with a six sided head.

Grade 5 full thread tap bolt

Tap bolts, Zinc plated grade 5 steel, 3/8"-16

A full thread bolt with a six sided head.