5/16"-18 Square Head Machine Bolts

5/16"-18 Square Head Machine Bolts

18 products

In black oxide and plain steel.

Head/Wrench/8-point Socket size is 1/2"

18 products
5/16"-18 x 3/4" Square Head Machine Bolt, Black Oxide
$0.24
5/16"-18 x 1" Square Head Machine Bolt, Plain
$0.24
5/16"-18 x 1" Square Head Machine Bolt, Black Oxide
$0.28
5/16"-18 x 1-1/4" Square Head Machine Bolt, Black Oxide
$0.33
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5/16"-18 x 1-1/2" Square Head Machine Bolt, Black Oxide
$0.35
5/16"-18 x 1-3/4" Square Head Machine Bolt, Black Oxide
$0.44
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5/16"-18 x 2" Square Head Machine Bolt, Plain
$0.61
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5/16"-18 x 2" Square Head Machine Bolt, Black Oxide
$0.61
5/16"-18 x 2-1/2" Square Head Machine Bolt, Black Oxide
$0.72
5/16"-18 x 2-1/2" Square Head Machine Bolt, Plain
$0.72
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5/16"-18 x 3" Square Head Machine Bolt, Black Oxide
$0.88
5/16"-18 x 3-1/2"" Square Head Machine Bolt, Black Oxide
$0.99
5/16"-18 x 4" Square Head Machine Bolt, Black Oxide
$1.16
5/16"-18 x 5" Square Head Machine Bolt, Black Oxide
$1.38
5/16"-18 x 6" Square Head Machine Bolt, Plain
$1.43
5/16"-18 x 6" Square Head Machine Bolt, Black Oxide
$1.54
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