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1/2-13 x 4" machine Bolts


Sockets for Square head bolts

5/8-11 x 2" machine Bolts

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Quick Overview

5/8" Square head machine Bolts

Availability: In stock

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Great Old-Fashioned Square head Machine Bolts for a much more traditional look.  Some of the machine bolts we sell are old stock and finish can vary from flat to glossy

500 piece discount = 20% off

1000 piece discount = 30% off

  • Black Oxide, followed by an appropriate post-treatment, provides limited added corrosion protection to the surface of the metal, prolonging service and increasing the shelf-life of stored parts. 

Standard Thread Length - If you have a specific thread length you need please call to verify.  The minimum thread length shall be equal to one-half the nominal screw length plus 1/2" or 6”, whichever is less. However some of our stock is truly custom and therefore please call if you need a specific thread length.

Additional Information

shank diameter 5/8
thread 5/8-11
length below head 2"
finish coating Black Oxide
package quantity each
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