Carriage bolt diameter is measured on the outside of the threads.

Carriage bolt diameter

Diameter and Thread count

Matching Products

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Prod. # Description Buy
2946
Flat washers, Stainless steel 18-8, #10
General use flat washer
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$0.06 each
$2.78 / 100
$22.20 / 1000
2955
Lock washers, Stainless steel 18-8, #10
Split lock washers place tension against a nut after tightening, to help prevent loosening.
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$0.06 each
$2.50 / 100
$21.80 / 1000