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Carriage bolts, Zinc plated grade 5 steel, Coarse (standard) thread, 5/16" x 2-1/4"

Grade 5 carriage bolt

Prod. # Length Each price Bag price Bulk price Price Buy
18278 2-1/4" $0.67 / ea $46.62 / 100 $400.00 / 1,000 $0.67 / ea $46.62 / 100 $400.00 / 1,000
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Carriage bolt full thread
Product details
Bolt Depot product# 18278
Units US
Category Carriage bolts & Plow bolts
Bolts with no drive and machine threads for use with a nut.
Head style Carriage
Carriage heads are large smooth and domed with no drive.
Neck style Square
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 5/16"
Thread count 18
Length 2-1/4"
Dimensional standard ASME B18.5
Length tolerance +0.02" / -0.04"
Thread direction Right hand
Head diameter 0.688" - 0.719"
Head height 0.156" - 0.176"
Square width 0.307" - 0.324"
Square depth 0.156" - 0.187"
Fully threaded Yes

Matching Products

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Prod. # Description Buy
15022
USS flat washers, Zinc plated grade 5 steel, 5/16"
USS pattern is the most common type of flat washer.
$0.13 / ea
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$78.80 / 1,000