Carriage bolt length is measured from under the head to the end of the bolt including the square neck.

Carriage bolt lenght

Note: Thread length on carriage bolts can vary. Some shorter lengths will be fully threaded.

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Prod. # Length Each price Bag price Bulk price Price Buy
9378 3/4" $3.89 / ea $16.74 / 5 $154.00 / 50 $3.89 / ea $16.74 / 5 $154.00 / 50
9379 1" $3.94 / ea $16.88 / 5 $155.00 / 50 $3.94 / ea $16.88 / 5 $155.00 / 50
9380 1-1/2" $4.02 / ea $17.28 / 5 $159.00 / 50 $4.02 / ea $17.28 / 5 $159.00 / 50
9381 2" $4.75 / ea $20.39 / 5 $188.00 / 50 $4.75 / ea $20.39 / 5 $188.00 / 50
9382 2-1/2" $5.20 / ea $22.41 / 5 $206.00 / 50 $5.20 / ea $22.41 / 5 $206.00 / 50
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Matching Products

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Prod. # Description Buy
9447
Hex nuts, Chrome plated steel, 5/16"-18
A standard six sided nut.
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$1.06 / ea
$9.16 / 10
$84.50 / 100
9459
Hex nylon insert lock nuts, Chrome plated steel, 5/16"-18
A hex nut with a nylon ring to resist loosening.
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$1.58 / ea
$13.51 / 10
$124.00 / 100
9480
USS flat washers, Chrome plated steel, 5/16"
USS pattern is the most common type of flat washer.
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$1.26 / ea
$10.55 / 10
$97.10 / 100
9493
Lock washers, Chrome plated steel, 5/16"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
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$1.58 / ea
$12.73 / 10
$117.00 / 100