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Heavy Hex Jam Nuts , ASTM A563 Grade DH (ASME B18. 2.2)

Heavy Hex Jam Nuts are thinner than regular heavy hex nuts, but have similar dimensions across the flats and corners. Like regular hex jam nuts, heavy hex jam nuts can be threaded onto a bolt and run tight against the standard heavy hex nut which will lock the nut in place and prevent it from backing off. 

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Buy Heavy Hex Jam Nuts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
BHAMALHeavy Hex Jam NutASTM A563 Grade DHGalvanized1-81-8 hvy hex jam nut a563 dh hdg b18.2.26
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BHAMALHeavy Hex Jam NutASTM A563 Grade DHGalvanized1 1/4-71 1/4-7 hvy hex jam nut a563 dh hdg b18.2.24
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AbabaCAHeavy Hex Jam NutASTM A563 Grade DHPlain1 1/4-71 1/4-7 hvy jam h/n domestic astm a563 dh stl pln b18.2.21
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